#37908B
Closest named color: Dusty Teal (#4C9085). oklch(59.9% 0.084 190), rgb(55, 144, 139).
Aa
Black text reads best on this color (5.52:1).
About this color
#37908B is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 60%, its chroma 0.084 and its hue 190°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Teal (#4C9085), ΔE 0.018 away. Black text reads best on it, at 5.52:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.084) |
| Temperature | cool |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.52:1 |
| White text | 3.80:1 |
Values
| HEX | #37908B |
| RGB | rgb(55, 144, 139) |
| HSL | hsl(177, 45%, 39%) |
| OKLCH | oklch(59.9% 0.084 190) |
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 #37908B | 3.80:1 | AA large text | Lc -70.8 | Content text, not long reading |
| Black text on #37908B | 5.52:1 | AA | Lc 38.8 | Non-text elements, placeholder text |
| #37908B text on white | 3.80:1 | AA large text | Lc 65.3 | Content text, not long reading |
| #37908B text on black | 5.52:1 | AA | Lc -36.4 | Non-text elements, placeholder text |
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
#F1F7F6
oklch(97.1% 0.006 185.3)
-
Step 100
100
#E1EDEB
oklch(93.7% 0.013 185.1)
-
Step 200
200
#C9DEDC
oklch(88.4% 0.023 189.8)
-
Step 300
300
#A3CAC6
oklch(81% 0.042 188.7)
-
Step 400
400
#6EAEAA
oklch(70.7% 0.066 190.7)
-
Step 500
500 (this color)
#37908B
oklch(59.9% 0.084 190)
-
Step 600
600
#15847F
oklch(55.6% 0.091 190)
-
Step 700
700
#00706B
oklch(49.2% 0.085 189.4)
-
Step 800
800
#0B5B57
oklch(42.7% 0.07 189.5)
-
Step 900
900
#164B48
oklch(37.8% 0.055 189.8)
-
Step 950
950
#0F2C2A
oklch(27% 0.035 189.2)
#37908B 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) | #88898B | 0.089 |
| Deuteranopia (no green cones) | #7A7F8C | 0.083 |
| Tritanopia (no blue cones) | #00948E | 0.020 |
| Achromatopsia (no color) | #838383 | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37908B
#37908B
oklch(59.9% 0.084 190)
- #AC6A74
#AC6A74
oklch(59.9% 0.085 10.1)
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 #37908B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.018
- Teal Green #0A9396 ΔE 0.021
- Sea #3C9992 ΔE 0.027
- Dark Cyan #008B8B ΔE 0.028
- Blue Green #0F9B8E ΔE 0.033
- Persian Green #2A9D8F ΔE 0.037
- Teal Blue #01889F ΔE 0.049
- Grey Teal #5E9B8A ΔE 0.051
Use #37908B 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.