#37ABDA
Closest named color: Turquoise Blue (#06B1C4). oklch(69.8% 0.121 229.7), rgb(55, 171, 218).
Aa
Black text reads best on this color (8.00:1).
About this color
#37ABDA is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 70%, its chroma 0.121 and its hue 230°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.045 away. Black text reads best on it, at 8.00:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.121) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 8.00:1 |
| White text | 2.62:1 |
Values
| HEX | #37ABDA |
| RGB | rgb(55, 171, 218) |
| HSL | hsl(197, 69%, 54%) |
| OKLCH | oklch(69.8% 0.121 229.7) |
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 #37ABDA | 2.62:1 | Fails | Lc -56.0 | Large or bold text, headings |
| Black text on #37ABDA | 8.00:1 | AAA | Lc 53.2 | Large or bold text, headings |
| #37ABDA text on white | 2.62:1 | Fails | Lc 50.8 | Large or bold text, headings |
| #37ABDA text on black | 8.00:1 | AAA | Lc -51.1 | 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
#EFF7FB
oklch(97.1% 0.01 228.9)
-
Step 100
100
#DCEDF6
oklch(93.6% 0.022 230.5)
-
Step 200
200
#BEDFF0
oklch(88.5% 0.042 230.2)
-
Step 300
300
#8DCAE8
oklch(80.8% 0.075 230.1)
-
Step 400
400 (this color)
#37ABDA
oklch(69.8% 0.121 229.7)
-
Step 500
500
#0096C6
oklch(63% 0.126 229.9)
-
Step 600
600
#007EA7
oklch(55.5% 0.111 230)
-
Step 700
700
#006A8D
oklch(49.1% 0.098 229.8)
-
Step 800
800
#005774
oklch(42.7% 0.085 229.4)
-
Step 900
900
#004861
oklch(37.6% 0.075 229.8)
-
Step 950
950
#002B3B
oklch(27% 0.053 228.8)
#37ABDA 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) | #93A8DC | 0.085 |
| Deuteranopia (no green cones) | #7D99D9 | 0.072 |
| Tritanopia (no blue cones) | #00B8BB | 0.070 |
| Achromatopsia (no color) | #A0A0A0 | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37ABDA
#37ABDA
oklch(69.8% 0.121 229.7)
- #DA8655
#DA8655
oklch(69.9% 0.122 50)
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 #37ABDA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.045
- Deep Sky Blue #00BFFF ΔE 0.066
- Greyblue #77A1B5 ΔE 0.068
- Chefchaouen Blue #4895EF ΔE 0.075
- Cornflower Blue #6495ED ΔE 0.078
- Bluegrey #85A3B2 ΔE 0.081
- Light Sea Green #20B2AA ΔE 0.083
- Cadet Blue #5F9EA0 ΔE 0.084
Use #37ABDA 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.