#7583DA
Closest named color: Soft Blue (#6488EA). oklch(63.7% 0.131 275.1), rgb(117, 131, 218).
Aa
Black text reads best on this color (6.01:1).
About this color
#7583DA is a medium-light, moderately saturated blue. In OKLCH its lightness is 64%, its chroma 0.131 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Soft Blue (#6488EA), ΔE 0.030 away. Black text reads best on it, at 6.01:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.131) |
| Temperature | cool |
| Nearest name | Soft Blue (#6488EA) |
| Black text | 6.01:1 |
| White text | 3.49:1 |
Values
| HEX | #7583DA |
| RGB | rgb(117, 131, 218) |
| HSL | hsl(232, 58%, 66%) |
| OKLCH | oklch(63.7% 0.131 275.1) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #7583DA | 3.49:1 | AA large text | Lc -67.8 | Content text, not long reading |
| Black text on #7583DA | 6.01:1 | AA | Lc 41.7 | Non-text elements, placeholder text |
| #7583DA text on white | 3.49:1 | AA large text | Lc 62.3 | Content text, not long reading |
| #7583DA text on black | 6.01:1 | AA | Lc -39.3 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.
-
Step 50
50
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E6E9F7
oklch(93.6% 0.019 276.3)
-
Step 200
200
#D2D8F1
oklch(88.5% 0.035 274.9)
-
Step 300
300
#B4BEEB
oklch(80.9% 0.065 275.1)
-
Step 400
400
#8E9BE1
oklch(70.7% 0.104 275.4)
-
Step 500
500 (this color)
#7583DA
oklch(63.7% 0.131 275.1)
-
Step 600
600
#5D69C5
oklch(55.6% 0.142 275.2)
-
Step 700
700
#4D57AA
oklch(49.1% 0.132 275.3)
-
Step 800
800
#3F478A
oklch(42.6% 0.11 275.6)
-
Step 900
900
#353C6E
oklch(37.6% 0.086 275.5)
-
Step 950
950
#1F2441
oklch(27.1% 0.054 274.8)
#7583DA with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #628DDD | 0.032 |
| Deuteranopia (no green cones) | #5985D8 | 0.034 |
| Tritanopia (no blue cones) | #5095A4 | 0.116 |
| Achromatopsia (no color) | #898989 | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7583DA
#7583DA
oklch(63.7% 0.131 275.1)
- #A48900
#A48900
oklch(63.6% 0.131 95)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #7583DA, closest first.
No curated palette has a color within ΔE 0.04 of #7583DA.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Blue #6488EA ΔE 0.030
- Perrywinkle #8F8CE7 ΔE 0.048
- Cornflower Blue #6495ED ΔE 0.051
- Dark Sky Blue #448EE4 ΔE 0.054
- Lavender Blue #8B88F8 ΔE 0.056
- Cornflower #6A79F7 ΔE 0.056
- Medium Purple #9370DB ΔE 0.061
- Faded Blue #658CBB ΔE 0.062
Use #7583DA in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.