#37786E
Closest named color: Bluegreen (#017A79). oklch(52.7% 0.069 182.2), rgb(55, 120, 110).
Aa
White text reads best on this color (5.15:1).
About this color
#37786E is a medium-dark, muted teal or cyan. In OKLCH its lightness is 53%, its chroma 0.069 and its hue 182°. Its hue sits on the cool side of the wheel. The nearest named color is Bluegreen (#017A79), ΔE 0.026 away. White text reads best on it, at 5.15:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (53%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Bluegreen (#017A79) |
| Black text | 4.07:1 |
| White text | 5.15:1 |
Values
| HEX | #37786E |
| RGB | rgb(55, 120, 110) |
| HSL | hsl(171, 37%, 34%) |
| OKLCH | oklch(52.7% 0.069 182.2) |
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 #37786E | 5.15:1 | AA | Lc -80.7 | Fine for body text |
| Black text on #37786E | 4.07:1 | AA large text | Lc 28.7 | Dividers and decoration only |
| #37786E text on white | 5.15:1 | AA | Lc 75.3 | Fine for body text |
| #37786E text on black | 4.07:1 | AA large text | Lc -26.4 | Dividers and decoration only |
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 600.
-
Step 50
50
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E4ECEA
oklch(93.6% 0.009 179.6)
-
Step 200
200
#CEDDDA
oklch(88.5% 0.017 182.7)
-
Step 300
300
#ACC8C2
oklch(81% 0.031 181.1)
-
Step 400
400
#7FABA3
oklch(70.7% 0.049 182.4)
-
Step 500
500
#5C968C
oklch(63% 0.063 182)
-
Step 600
600 (this color)
#37786E
oklch(52.7% 0.069 182.2)
-
Step 700
700
#316D63
oklch(49.2% 0.065 181.1)
-
Step 800
800
#2A5951
oklch(42.8% 0.053 181.2)
-
Step 900
900
#274943
oklch(37.7% 0.041 181.4)
-
Step 950
950
#172B27
oklch(27.1% 0.027 180)
#37786E 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) | #73726E | 0.073 |
| Deuteranopia (no green cones) | #696A6F | 0.070 |
| Tritanopia (no blue cones) | #117A75 | 0.021 |
| Achromatopsia (no color) | #6D6D6D | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37786E
#37786E
oklch(52.7% 0.069 182.2)
- #8C5A68
#8C5A68
oklch(52.7% 0.068 1.5)
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 #37786E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluegreen #017A79 ΔE 0.026
- Deep Aqua #08787F ΔE 0.033
- Dark Aquamarine #017371 ΔE 0.033
- Teal #008080 ΔE 0.034
- Deep Turquoise #017374 ΔE 0.034
- Ocean #017B92 ΔE 0.057
- Dark Aqua #05696B ΔE 0.058
- Dark Cyan #008B8B ΔE 0.060
Use #37786E 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.