#7583CF
Closest named color: Soft Blue (#6488EA). oklch(63.1% 0.115 274.7), rgb(117, 131, 207).
Aa
Black text reads best on this color (5.90:1).
About this color
#7583CF is a medium-light, moderately saturated blue. In OKLCH its lightness is 63%, its chroma 0.115 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Soft Blue (#6488EA), ΔE 0.043 away. Black text reads best on it, at 5.90:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.115) |
| Temperature | cool |
| Nearest name | Soft Blue (#6488EA) |
| Black text | 5.90:1 |
| White text | 3.55:1 |
Values
| HEX | #7583CF |
| RGB | rgb(117, 131, 207) |
| HSL | hsl(231, 48%, 64%) |
| OKLCH | oklch(63.1% 0.115 274.7) |
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 #7583CF | 3.55:1 | AA large text | Lc -68.6 | Content text, not long reading |
| Black text on #7583CF | 5.90:1 | AA | Lc 41.0 | Non-text elements, placeholder text |
| #7583CF text on white | 3.55:1 | AA large text | Lc 63.1 | Content text, not long reading |
| #7583CF text on black | 5.90:1 | AA | Lc -38.6 | 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
#E6E9F5
oklch(93.5% 0.016 274.8)
-
Step 200
200
#D3D8EE
oklch(88.5% 0.031 275.6)
-
Step 300
300
#B5BEE6
oklch(80.8% 0.057 275.1)
-
Step 400
400
#909CD9
oklch(70.6% 0.09 275.3)
-
Step 500
500 (this color)
#7583CF
oklch(63.1% 0.115 274.7)
-
Step 600
600
#5E6BBC
oklch(55.5% 0.126 274.7)
-
Step 700
700
#4E59A2
oklch(49.1% 0.117 274.8)
-
Step 800
800
#404983
oklch(42.7% 0.096 274.9)
-
Step 900
900
#363E69
oklch(37.8% 0.074 274.3)
-
Step 950
950
#20243E
oklch(27% 0.049 276)
#7583CF 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) | #688CD2 | 0.027 |
| Deuteranopia (no green cones) | #6184CD | 0.025 |
| Tritanopia (no blue cones) | #57929F | 0.102 |
| Achromatopsia (no color) | #888888 | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7583CF
#7583CF
oklch(63.1% 0.115 274.7)
- #A08827
#A08827
oklch(63.1% 0.115 94.6)
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 #7583CF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Blue #6488EA ΔE 0.043
- Faded Blue #658CBB ΔE 0.048
- Perrywinkle #8F8CE7 ΔE 0.056
- Cornflower Blue #6495ED ΔE 0.059
- Dark Sky Blue #448EE4 ΔE 0.059
- Cool Blue #4984B8 ΔE 0.064
- Dusty Blue #5A86AD ΔE 0.066
- Off Blue #5684AE ΔE 0.066
Use #7583CF 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.