#57A2D2
Closest named color: Greyblue (#77A1B5). oklch(68.3% 0.103 238.8), rgb(87, 162, 210).
Aa
Black text reads best on this color (7.50:1).
About this color
#57A2D2 is a medium-light, moderately saturated blue. In OKLCH its lightness is 68%, its chroma 0.103 and its hue 239°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.051 away. Black text reads best on it, at 7.50:1.
| Hue family | Blues |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.103) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 7.50:1 |
| White text | 2.79:1 |
Values
| HEX | #57A2D2 |
| RGB | rgb(87, 162, 210) |
| HSL | hsl(203, 58%, 58%) |
| OKLCH | oklch(68.3% 0.103 238.8) |
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 #57A2D2 | 2.79:1 | Fails | Lc -58.9 | Large or bold text, headings |
| Black text on #57A2D2 | 7.50:1 | AAA | Lc 50.4 | Large or bold text, headings |
| #57A2D2 text on white | 2.79:1 | Fails | Lc 53.7 | Large or bold text, headings |
| #57A2D2 text on black | 7.50:1 | AAA | Lc -48.2 | Large or bold text, headings |
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 400.
-
Step 50
50
#F0F6FB
oklch(97% 0.009 242.8)
-
Step 100
100
#DFECF5
oklch(93.6% 0.018 237.8)
-
Step 200
200
#C4DDEF
oklch(88.5% 0.036 239.2)
-
Step 300
300
#9AC7E6
oklch(80.8% 0.065 238.7)
-
Step 400
400 (this color)
#57A2D2
oklch(68.3% 0.103 238.8)
-
Step 500
500
#2193D0
oklch(63.2% 0.132 238.8)
-
Step 600
600
#007CB4
oklch(55.7% 0.125 238.6)
-
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
#062A3E
oklch(27.1% 0.054 238.2)
#57A2D2 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) | #8CA2D4 | 0.058 |
| Deuteranopia (no green cones) | #7B95D1 | 0.048 |
| Tritanopia (no blue cones) | #00AEB2 | 0.078 |
| Achromatopsia (no color) | #9A9A9A | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57A2D2
#57A2D2
oklch(68.3% 0.103 238.8)
- #C98956
#C98956
oklch(68.4% 0.103 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 #57A2D2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.051
- Cornflower Blue #6495ED ΔE 0.061
- Faded Blue #658CBB ΔE 0.062
- Turquoise Blue #06B1C4 ΔE 0.062
- Chefchaouen Blue #4895EF ΔE 0.064
- Bluegrey #85A3B2 ΔE 0.066
- Bluey Grey #89A0B0 ΔE 0.069
- Dark Sky Blue #448EE4 ΔE 0.071
Use #57A2D2 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.