#7583FC
Closest named color: Cornflower (#6A79F7). oklch(65.7% 0.178 275.4), rgb(117, 131, 252).
Aa
Black text reads best on this color (6.40:1).
About this color
#7583FC is a medium-light, vivid blue. In OKLCH its lightness is 66%, its chroma 0.178 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.030 away. Black text reads best on it, at 6.40:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.178) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 6.40:1 |
| White text | 3.27:1 |
Values
| HEX | #7583FC |
| RGB | rgb(117, 131, 252) |
| HSL | hsl(234, 96%, 72%) |
| OKLCH | oklch(65.7% 0.178 275.4) |
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 #7583FC | 3.27:1 | AA large text | Lc -65.3 | Content text, not long reading |
| Black text on #7583FC | 6.40:1 | AA | Lc 44.2 | Non-text elements, placeholder text |
| #7583FC text on white | 3.27:1 | AA large text | Lc 59.9 | Large or bold text, headings |
| #7583FC text on black | 6.40:1 | AA | Lc -41.9 | 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
#E5E9FB
oklch(93.6% 0.025 275.9)
-
Step 200
200
#D0D7FA
oklch(88.5% 0.049 276.4)
-
Step 300
300
#B0BDF9
oklch(81% 0.086 274.8)
-
Step 400
400
#8998F6
oklch(70.8% 0.138 275.4)
-
Step 500
500 (this color)
#7583FC
oklch(65.7% 0.178 275.4)
-
Step 600
600
#5860E1
oklch(55.6% 0.193 275.5)
-
Step 700
700
#494EC4
oklch(49.1% 0.181 275.7)
-
Step 800
800
#3B419E
oklch(42.6% 0.149 275.3)
-
Step 900
900
#32387E
oklch(37.7% 0.117 275.6)
-
Step 950
950
#1D224A
oklch(27.1% 0.074 275)
#7583FC 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) | #4994FF | 0.056 |
| Deuteranopia (no green cones) | #3789F9 | 0.060 |
| Tritanopia (no blue cones) | #329EB3 | 0.158 |
| Achromatopsia (no color) | #8E8E8E | 0.178 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7583FC
#7583FC
oklch(65.7% 0.178 275.4)
- #AB9000
#AB9000
oklch(65.8% 0.135 95.6)
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 #7583FC, closest first.
No curated palette has a color within ΔE 0.04 of #7583FC.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.030
- Periwinkle #8E82FE ΔE 0.034
- Lavender Blue #8B88F8 ΔE 0.034
- Soft Blue #6488EA ΔE 0.037
- Perrywinkle #8F8CE7 ΔE 0.056
- Cornflower Blue #6495ED ΔE 0.056
- Medium Slate Blue #7B68EE ΔE 0.064
- Chefchaouen Blue #4895EF ΔE 0.066
Use #7583FC 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.