#57BBC3
Closest named color: Topaz (#13BBAF). oklch(73.6% 0.094 202.4), rgb(87, 187, 195).
Aa
Black text reads best on this color (9.30:1).
About this color
#57BBC3 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 74%, its chroma 0.094 and its hue 202°. Its hue sits on the cool side of the wheel. The nearest named color is Topaz (#13BBAF), ΔE 0.047 away. Black text reads best on it, at 9.30:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.094) |
| Temperature | cool |
| Nearest name | Topaz (#13BBAF) |
| Black text | 9.30:1 |
| White text | 2.25:1 |
Values
| HEX | #57BBC3 |
| RGB | rgb(87, 187, 195) |
| HSL | hsl(184, 47%, 55%) |
| OKLCH | oklch(73.6% 0.094 202.4) |
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 #57BBC3 | 2.25:1 | Fails | Lc -49.1 | Large or bold text, headings |
| Black text on #57BBC3 | 9.30:1 | AAA | Lc 59.7 | Large or bold text, headings |
| #57BBC3 text on white | 2.25:1 | Fails | Lc 44.3 | Non-text elements, placeholder text |
| #57BBC3 text on black | 9.30:1 | AAA | Lc -57.8 | 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
#F0F7F8
oklch(97.1% 0.008 207.1)
-
Step 100
100
#DEEDEF
oklch(93.6% 0.016 206.4)
-
Step 200
200
#C1E0E2
oklch(88.5% 0.033 201.3)
-
Step 300
300
#94CCD1
oklch(80.8% 0.058 203)
-
Step 400
400 (this color)
#57BBC3
oklch(73.6% 0.094 202.4)
-
Step 500
500
#009CA6
oklch(63.1% 0.107 202.8)
-
Step 600
600
#00838B
oklch(55.5% 0.095 202.3)
-
Step 700
700
#006E75
oklch(49% 0.083 202.5)
-
Step 800
800
#005A60
oklch(42.6% 0.073 202.7)
-
Step 900
900
#004B50
oklch(37.6% 0.064 202.5)
-
Step 950
950
#002D30
oklch(27% 0.046 201.8)
#57BBC3 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) | #AEB4C4 | 0.094 |
| Deuteranopia (no green cones) | #9DA7C4 | 0.087 |
| Tritanopia (no blue cones) | #00C1BD | 0.038 |
| Achromatopsia (no color) | #ACACAC | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57BBC3
#57BBC3
oklch(73.6% 0.094 202.4)
- #DE928E
#DE928E
oklch(73.5% 0.093 22.9)
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 #57BBC3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Topaz #13BBAF ΔE 0.047
- Turquoise Blue #06B1C4 ΔE 0.048
- Dark Turquoise #00CED1 ΔE 0.054
- Light Sea Green #20B2AA ΔE 0.055
- Medium Turquoise #48D1CC ΔE 0.059
- Vivid Sky Blue #4CC9F0 ΔE 0.066
- Greeny Blue #42B395 ΔE 0.070
- Pale Teal #82CBB2 ΔE 0.071
Use #57BBC3 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.