#7583FF
Closest named color: Cornflower (#6A79F7). oklch(65.9% 0.182 275.4), rgb(117, 131, 255).
Aa
Black text reads best on this color (6.44:1).
About this color
#7583FF is a medium-light, vivid blue. In OKLCH its lightness is 66%, its chroma 0.182 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.031 away. Black text reads best on it, at 6.44:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.182) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 6.44:1 |
| White text | 3.25:1 |
Values
| HEX | #7583FF |
| RGB | rgb(117, 131, 255) |
| HSL | hsl(234, 100%, 73%) |
| OKLCH | oklch(65.9% 0.182 275.4) |
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 #7583FF | 3.25:1 | AA large text | Lc -65.1 | Content text, not long reading |
| Black text on #7583FF | 6.44:1 | AA | Lc 44.4 | Non-text elements, placeholder text |
| #7583FF text on white | 3.25:1 | AA large text | Lc 59.6 | Large or bold text, headings |
| #7583FF text on black | 6.44:1 | AA | Lc -42.1 | 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
#F3F5FE
oklch(97.1% 0.012 276.1)
-
Step 100
100
#E5E9FC
oklch(93.7% 0.026 276.4)
-
Step 200
200
#CFD7FB
oklch(88.5% 0.05 275.4)
-
Step 300
300
#B0BCFB
oklch(80.9% 0.09 275.9)
-
Step 400
400
#8897F8
oklch(70.6% 0.142 275.5)
-
Step 500
500 (this color)
#7583FF
oklch(65.9% 0.182 275.4)
-
Step 600
600
#585FE4
oklch(55.6% 0.198 275.6)
-
Step 700
700
#484DC6
oklch(49% 0.185 275.4)
-
Step 800
800
#3B40A0
oklch(42.6% 0.153 275.5)
-
Step 900
900
#32387F
oklch(37.7% 0.118 275.5)
-
Step 950
950
#1D214A
oklch(26.9% 0.075 275.9)
#7583FF 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) | #4694FF | 0.058 |
| Deuteranopia (no green cones) | #3389FC | 0.063 |
| Tritanopia (no blue cones) | #2E9FB5 | 0.161 |
| Achromatopsia (no color) | #8E8E8E | 0.183 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7583FF
#7583FF
oklch(65.9% 0.182 275.4)
- #AC9000
#AC9000
oklch(65.9% 0.135 95.1)
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 #7583FF, closest first.
No curated palette has a color within ΔE 0.04 of #7583FF.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.031
- Periwinkle #8E82FE ΔE 0.034
- Lavender Blue #8B88F8 ΔE 0.036
- Soft Blue #6488EA ΔE 0.041
- Cornflower Blue #6495ED ΔE 0.059
- Perrywinkle #8F8CE7 ΔE 0.059
- Medium Slate Blue #7B68EE ΔE 0.065
- Chefchaouen Blue #4895EF ΔE 0.068
Use #7583FF 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.