#7583EE
Closest named color: Soft Blue (#6488EA). oklch(64.9% 0.159 275.4), rgb(117, 131, 238).
Aa
Black text reads best on this color (6.23:1).
About this color
#7583EE is a medium-light, vivid blue. In OKLCH its lightness is 65%, its chroma 0.159 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Soft Blue (#6488EA), ΔE 0.024 away. Black text reads best on it, at 6.23:1.
| Hue family | Blues |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.159) |
| Temperature | cool |
| Nearest name | Soft Blue (#6488EA) |
| Black text | 6.23:1 |
| White text | 3.36:1 |
Values
| HEX | #7583EE |
| RGB | rgb(117, 131, 238) |
| HSL | hsl(233, 78%, 70%) |
| OKLCH | oklch(64.9% 0.159 275.4) |
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 #7583EE | 3.36:1 | AA large text | Lc -66.4 | Content text, not long reading |
| Black text on #7583EE | 6.23:1 | AA | Lc 43.1 | Non-text elements, placeholder text |
| #7583EE text on white | 3.36:1 | AA large text | Lc 60.9 | Content text, not long reading |
| #7583EE text on black | 6.23:1 | AA | Lc -40.8 | 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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E5E9F9
oklch(93.6% 0.022 274.7)
-
Step 200
200
#D1D7F6
oklch(88.4% 0.043 276.8)
-
Step 300
300
#B2BDF3
oklch(80.9% 0.077 275.6)
-
Step 400
400
#8B99EE
oklch(70.7% 0.125 275.6)
-
Step 500
500 (this color)
#7583EE
oklch(64.9% 0.159 275.4)
-
Step 600
600
#5A64D6
oklch(55.6% 0.173 275.5)
-
Step 700
700
#4A52BA
oklch(49.1% 0.162 275.4)
-
Step 800
800
#3D4496
oklch(42.7% 0.133 275.6)
-
Step 900
900
#333A78
oklch(37.7% 0.105 275.3)
-
Step 950
950
#1E2346
oklch(27.1% 0.065 275.1)
#7583EE 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) | #5591F2 | 0.046 |
| Deuteranopia (no green cones) | #4987EC | 0.048 |
| Tritanopia (no blue cones) | #419AAD | 0.140 |
| Achromatopsia (no color) | #8C8C8C | 0.159 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7583EE
#7583EE
oklch(64.9% 0.159 275.4)
- #A88D00
#A88D00
oklch(64.9% 0.133 95.4)
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 #7583EE, closest first.
No curated palette has a color within ΔE 0.04 of #7583EE.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Blue #6488EA ΔE 0.024
- Cornflower #6A79F7 ΔE 0.034
- Lavender Blue #8B88F8 ΔE 0.037
- Periwinkle #8E82FE ΔE 0.043
- Perrywinkle #8F8CE7 ΔE 0.047
- Cornflower Blue #6495ED ΔE 0.048
- Dark Sky Blue #448EE4 ΔE 0.059
- Chefchaouen Blue #4895EF ΔE 0.060
Use #7583EE 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.