#57BEFD
Closest named color: Deep Sky Blue (#00BFFF). oklch(76.7% 0.131 238.7), rgb(87, 190, 253).
Aa
Black text reads best on this color (10.18:1).
About this color
#57BEFD is a medium-light, moderately saturated blue. In OKLCH its lightness is 77%, its chroma 0.131 and its hue 239°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Sky Blue (#00BFFF), ΔE 0.030 away. Black text reads best on it, at 10.18:1.
| Hue family | Blues |
| Lightness | medium-light (77%) |
| Chroma | moderately saturated (0.131) |
| Temperature | cool |
| Nearest name | Deep Sky Blue (#00BFFF) |
| Black text | 10.18:1 |
| White text | 2.06:1 |
Values
| HEX | #57BEFD |
| RGB | rgb(87, 190, 253) |
| HSL | hsl(203, 98%, 67%) |
| OKLCH | oklch(76.7% 0.131 238.7) |
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 #57BEFD | 2.06:1 | Fails | Lc -44.5 | Non-text elements, placeholder text |
| Black text on #57BEFD | 10.18:1 | AAA | Lc 64.0 | Content text, not long reading |
| #57BEFD text on white | 2.06:1 | Fails | Lc 39.9 | Non-text elements, placeholder text |
| #57BEFD text on black | 10.18:1 | AAA | Lc -62.4 | Content text, not long reading |
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 300.
-
Step 50
50
#ECF7FF
oklch(97% 0.016 239.1)
-
Step 100
100
#D6EEFF
oklch(93.7% 0.034 238.7)
-
Step 200
200
#B3E0FF
oklch(88.5% 0.064 238.5)
-
Step 300
300 (this color)
#57BEFD
oklch(76.7% 0.131 238.7)
-
Step 400
400
#00ACF7
oklch(70.7% 0.158 238.5)
-
Step 500
500
#0093D5
oklch(63.1% 0.142 238.9)
-
Step 600
600
#007CB3
oklch(55.7% 0.124 238.2)
-
Step 700
700
#006898
oklch(49.2% 0.11 238.7)
-
Step 800
800
#00557D
oklch(42.7% 0.096 238.5)
-
Step 900
900
#004769
oklch(37.8% 0.084 238.3)
-
Step 950
950
#002A40
oklch(27% 0.06 237.8)
#57BEFD 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) | #A1BEFF | 0.073 |
| Deuteranopia (no green cones) | #8AADFC | 0.060 |
| Tritanopia (no blue cones) | #00CED4 | 0.090 |
| Achromatopsia (no color) | #B5B5B5 | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57BEFD
#57BEFD
oklch(76.7% 0.131 238.7)
- #F19D58
#F19D58
oklch(76.7% 0.131 58.4)
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 #57BEFD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Sky Blue #00BFFF ΔE 0.030
- Vivid Sky Blue #4CC9F0 ΔE 0.040
- Bright Sky Blue #02CCFE ΔE 0.043
- Lightblue #7BC8F6 ΔE 0.046
- Carolina Blue #8AB8FE ΔE 0.047
- Sky #82CAFC ΔE 0.053
- Light Sky Blue #87CEFA ΔE 0.065
- Sky Blue #87CEEB ΔE 0.073
Use #57BEFD 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.