#5B77FF
Closest named color: Cornflower (#6A79F7). oklch(62.1% 0.204 270.6), rgb(91, 119, 255).
Aa
Black text reads best on this color (5.52:1).
About this color
#5B77FF is a medium-light, vivid blue. In OKLCH its lightness is 62%, its chroma 0.204 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.023 away. Black text reads best on it, at 5.52:1.
| Hue family | Blues |
| Lightness | medium-light (62%) |
| Chroma | vivid (0.204) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 5.52:1 |
| White text | 3.79:1 |
Values
| HEX | #5B77FF |
| RGB | rgb(91, 119, 255) |
| HSL | hsl(230, 100%, 68%) |
| OKLCH | oklch(62.1% 0.204 270.6) |
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 #5B77FF | 3.79:1 | AA large text | Lc -70.6 | Content text, not long reading |
| Black text on #5B77FF | 5.52:1 | AA | Lc 39.0 | Non-text elements, placeholder text |
| #5B77FF text on white | 3.79:1 | AA large text | Lc 65.1 | Content text, not long reading |
| #5B77FF text on black | 5.52:1 | AA | Lc -36.6 | 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
#F2F5FF
oklch(97.1% 0.014 272.7)
-
Step 100
100
#E2E9FE
oklch(93.5% 0.029 271.1)
-
Step 200
200
#CBD8FF
oklch(88.5% 0.056 270.7)
-
Step 300
300
#A9BEFF
oklch(80.9% 0.095 270.4)
-
Step 400
400
#7D99FF
oklch(70.7% 0.152 270.5)
-
Step 500
500 (this color)
#5B77FF
oklch(62.1% 0.204 270.6)
-
Step 600
600
#475EF2
oklch(55.6% 0.222 270.5)
-
Step 700
700
#3A4CD3
oklch(49.1% 0.206 270.7)
-
Step 800
800
#2F40AA
oklch(42.7% 0.17 270.4)
-
Step 900
900
#293887
oklch(37.8% 0.133 270.6)
-
Step 950
950
#18214F
oklch(26.9% 0.085 271.3)
#5B77FF 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) | #108BFF | 0.061 |
| Deuteranopia (no green cones) | #007CFC | 0.054 |
| Tritanopia (no blue cones) | #0097B0 | 0.168 |
| Achromatopsia (no color) | #838383 | 0.204 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B77FF
#5B77FF
oklch(62.1% 0.204 270.6)
- #A48200
#A48200
oklch(62.1% 0.127 90.2)
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 #5B77FF, closest first.
No curated palette has a color within ΔE 0.04 of #5B77FF.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.023
- Clear Blue #247AFD ΔE 0.044
- Medium Slate Blue #7B68EE ΔE 0.055
- Soft Blue #6488EA ΔE 0.058
- Royal Blue #4169E1 ΔE 0.065
- Neon Blue #4361EE ΔE 0.067
- Dodger Blue #1E90FF ΔE 0.068
- Cerulean Blue #056EEE ΔE 0.072
Use #5B77FF 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.