#37DBD2
Closest named color: Turquoise (#40E0D0). oklch(80.9% 0.129 189.3), rgb(55, 219, 210).
Aa
Black text reads best on this color (12.22:1).
About this color
#37DBD2 is a light, moderately saturated teal or cyan. In OKLCH its lightness is 81%, its chroma 0.129 and its hue 189°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise (#40E0D0), ΔE 0.016 away. Black text reads best on it, at 12.22:1.
| Hue family | Teals and cyans |
| Lightness | light (81%) |
| Chroma | moderately saturated (0.129) |
| Temperature | cool |
| Nearest name | Turquoise (#40E0D0) |
| Black text | 12.22:1 |
| White text | 1.71:1 |
Values
| HEX | #37DBD2 |
| RGB | rgb(55, 219, 210) |
| HSL | hsl(177, 69%, 54%) |
| OKLCH | oklch(80.9% 0.129 189.3) |
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 #37DBD2 | 1.71:1 | Fails | Lc -34.3 | Non-text elements, placeholder text |
| Black text on #37DBD2 | 12.22:1 | AAA | Lc 73.4 | Content text, not long reading |
| #37DBD2 text on white | 1.71:1 | Fails | Lc 30.5 | Non-text elements, placeholder text |
| #37DBD2 text on black | 12.22:1 | AAA | Lc -72.3 | 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
#E9F9F8
oklch(97% 0.017 192.4)
-
Step 100
100
#CFF2EF
oklch(93.5% 0.037 190.2)
-
Step 200
200
#A1E9E3
oklch(88.5% 0.072 189.4)
-
Step 300
300 (this color)
#37DBD2
oklch(80.9% 0.129 189.3)
-
Step 400
400
#00B8B0
oklch(70.6% 0.122 189.3)
-
Step 500
500
#009E97
oklch(63.1% 0.109 189.2)
-
Step 600
600
#00857F
oklch(55.6% 0.096 189.2)
-
Step 700
700
#00706B
oklch(49.2% 0.085 189.4)
-
Step 800
800
#005C57
oklch(42.8% 0.074 188.4)
-
Step 900
900
#004C49
oklch(37.6% 0.065 190.2)
-
Step 950
950
#002E2B
oklch(27.1% 0.047 188)
#37DBD2 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) | #CECFD2 | 0.137 |
| Deuteranopia (no green cones) | #B8BED3 | 0.130 |
| Tritanopia (no blue cones) | #00E1D8 | 0.017 |
| Achromatopsia (no color) | #C5C5C5 | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37DBD2
#37DBD2
oklch(80.9% 0.129 189.3)
- #FFA2B1
#FFA2B1
oklch(80.9% 0.111 9.4)
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 #37DBD2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise #40E0D0 ΔE 0.016
- Medium Turquoise #48D1CC ΔE 0.026
- Aqua Blue #02D8E9 ΔE 0.037
- Dark Turquoise #00CED1 ΔE 0.041
- Seafoam Blue #78D1B6 ΔE 0.049
- Aqua Marine #2EE8BB ΔE 0.056
- Medium Aquamarine #66CDAA ΔE 0.057
- Pale Teal #82CBB2 ΔE 0.062
Use #37DBD2 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.