#5B7AFB
Closest named color: Cornflower (#6A79F7). oklch(62.4% 0.195 269.8), rgb(91, 122, 251).
Aa
Black text reads best on this color (5.62:1).
About this color
#5B7AFB is a medium-light, vivid blue. In OKLCH its lightness is 62%, its chroma 0.195 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.018 away. Black text reads best on it, at 5.62:1.
| Hue family | Blues |
| Lightness | medium-light (62%) |
| Chroma | vivid (0.195) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 5.62:1 |
| White text | 3.73:1 |
Values
| HEX | #5B7AFB |
| RGB | rgb(91, 122, 251) |
| HSL | hsl(228, 95%, 67%) |
| OKLCH | oklch(62.4% 0.195 269.8) |
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 #5B7AFB | 3.73:1 | AA large text | Lc -70.1 | Content text, not long reading |
| Black text on #5B7AFB | 5.62:1 | AA | Lc 39.5 | Non-text elements, placeholder text |
| #5B7AFB text on white | 3.73:1 | AA large text | Lc 64.6 | Content text, not long reading |
| #5B7AFB text on black | 5.62:1 | AA | Lc -37.1 | 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
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E2EAFD
oklch(93.7% 0.027 267.5)
-
Step 200
200
#CBD8FD
oklch(88.4% 0.053 270)
-
Step 300
300
#A8BEFF
oklch(80.9% 0.096 269.8)
-
Step 400
400
#7C9AFF
oklch(70.8% 0.152 269.7)
-
Step 500
500 (this color)
#5B7AFB
oklch(62.4% 0.195 269.8)
-
Step 600
600
#4661ED
oklch(55.6% 0.212 269.8)
-
Step 700
700
#384FCE
oklch(49.1% 0.197 269.6)
-
Step 800
800
#2E42A6
oklch(42.7% 0.162 269.6)
-
Step 900
900
#283984
oklch(37.7% 0.127 269.7)
-
Step 950
950
#17224D
oklch(26.9% 0.081 269.5)
#5B7AFB 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) | #2A8CFF | 0.052 |
| Deuteranopia (no green cones) | #007DF8 | 0.054 |
| Tritanopia (no blue cones) | #0098AF | 0.162 |
| Achromatopsia (no color) | #848484 | 0.195 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B7AFB
#5B7AFB
oklch(62.4% 0.195 269.8)
- #A68300
#A68300
oklch(62.6% 0.128 89.8)
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 #5B7AFB, closest first.
No curated palette has a color within ΔE 0.04 of #5B7AFB.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.018
- Clear Blue #247AFD ΔE 0.044
- Soft Blue #6488EA ΔE 0.048
- Medium Slate Blue #7B68EE ΔE 0.057
- Dodger Blue #1E90FF ΔE 0.062
- Royal Blue #4169E1 ΔE 0.066
- Dark Sky Blue #448EE4 ΔE 0.067
- Neon Blue #4361EE ΔE 0.071
Use #5B7AFB 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.