#37A2BA
Closest named color: Turquoise Blue (#06B1C4). oklch(66.2% 0.101 215.9), rgb(55, 162, 186).
Aa
Black text reads best on this color (7.03:1).
About this color
#37A2BA is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 66%, its chroma 0.101 and its hue 216°. 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 7.03:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.101) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 7.03:1 |
| White text | 2.98:1 |
Values
| HEX | #37A2BA |
| RGB | rgb(55, 162, 186) |
| HSL | hsl(191, 54%, 47%) |
| OKLCH | oklch(66.2% 0.101 215.9) |
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 #37A2BA | 2.98:1 | Fails | Lc -61.5 | Content text, not long reading |
| Black text on #37A2BA | 7.03:1 | AAA | Lc 47.9 | Large or bold text, headings |
| #37A2BA text on white | 2.98:1 | Fails | Lc 56.1 | Large or bold text, headings |
| #37A2BA text on black | 7.03:1 | AAA | Lc -45.7 | 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 500.
-
Step 50
50
#F1F7F8
oklch(97.2% 0.007 208.8)
-
Step 100
100
#E0ECF0
oklch(93.5% 0.014 219.6)
-
Step 200
200
#C6DEE5
oklch(88.5% 0.027 217.2)
-
Step 300
300
#9DC9D5
oklch(80.9% 0.049 216.3)
-
Step 400
400
#63ADC0
oklch(70.7% 0.079 216.3)
-
Step 500
500 (this color)
#37A2BA
oklch(66.2% 0.101 215.9)
-
Step 600
600
#008198
oklch(55.6% 0.099 216.1)
-
Step 700
700
#006D80
oklch(49.2% 0.087 215.3)
-
Step 800
800
#005969
oklch(42.7% 0.076 215.4)
-
Step 900
900
#034A58
oklch(37.7% 0.066 216.2)
-
Step 950
950
#082B33
oklch(26.9% 0.041 216.3)
#37A2BA 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) | #929DBB | 0.090 |
| Deuteranopia (no green cones) | #7F90BA | 0.079 |
| Tritanopia (no blue cones) | #00ABA9 | 0.045 |
| Achromatopsia (no color) | #959595 | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37A2BA
#37A2BA
oklch(66.2% 0.101 215.9)
- #C87C67
#C87C67
oklch(66.2% 0.1 36.2)
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 #37A2BA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.041
- Cadet Blue #5F9EA0 ΔE 0.044
- Greyblue #77A1B5 ΔE 0.055
- Sea #3C9992 ΔE 0.059
- Light Sea Green #20B2AA ΔE 0.059
- Dull Teal #5F9E8F ΔE 0.065
- Persian Green #2A9D8F ΔE 0.065
- Teal Green #0A9396 ΔE 0.068
Use #37A2BA 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.