#57AACA
Closest named color: Turquoise Blue (#06B1C4). oklch(69.8% 0.093 225.7), rgb(87, 170, 202).
Aa
Black text reads best on this color (8.00:1).
About this color
#57AACA is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 70%, its chroma 0.093 and its hue 226°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.041 away. Black text reads best on it, at 8.00:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.093) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 8.00:1 |
| White text | 2.62:1 |
Values
| HEX | #57AACA |
| RGB | rgb(87, 170, 202) |
| HSL | hsl(197, 52%, 57%) |
| OKLCH | oklch(69.8% 0.093 225.7) |
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 #57AACA | 2.62:1 | Fails | Lc -56.1 | Large or bold text, headings |
| Black text on #57AACA | 8.00:1 | AAA | Lc 53.1 | Large or bold text, headings |
| #57AACA text on white | 2.62:1 | Fails | Lc 51.0 | Large or bold text, headings |
| #57AACA text on black | 8.00:1 | AAA | Lc -51.0 | 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
#F0F7F9
oklch(97.1% 0.008 216.6)
-
Step 100
100
#DFECF3
oklch(93.5% 0.017 230.9)
-
Step 200
200
#C4DEEA
oklch(88.5% 0.032 227.3)
-
Step 300
300
#99C9DD
oklch(80.9% 0.058 225.4)
-
Step 400
400 (this color)
#57AACA
oklch(69.8% 0.093 225.7)
-
Step 500
500
#0897C0
oklch(63% 0.119 226)
-
Step 600
600
#007FA2
oklch(55.5% 0.106 225.7)
-
Step 700
700
#006B89
oklch(49.1% 0.094 225.7)
-
Step 800
800
#005871
oklch(42.8% 0.081 225.4)
-
Step 900
900
#00495E
oklch(37.7% 0.071 225)
-
Step 950
950
#032B39
oklch(27% 0.049 226.8)
#57AACA 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) | #99A7CC | 0.072 |
| Deuteranopia (no green cones) | #889ACA | 0.064 |
| Tritanopia (no blue cones) | #00B4B4 | 0.062 |
| Achromatopsia (no color) | #A0A0A0 | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57AACA
#57AACA
oklch(69.8% 0.093 225.7)
- #CE8B6C
#CE8B6C
oklch(69.7% 0.093 45.6)
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 #57AACA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.041
- Greyblue #77A1B5 ΔE 0.041
- Bluegrey #85A3B2 ΔE 0.053
- Bluey Grey #89A0B0 ΔE 0.060
- Cadet Blue #5F9EA0 ΔE 0.062
- Light Sea Green #20B2AA ΔE 0.069
- Cool Gray #8D99AE ΔE 0.071
- Cool Steel #97A7B3 ΔE 0.072
Use #57AACA 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.