#37776D
Closest named color: Bluegreen (#017A79). oklch(52.4% 0.068 182), rgb(55, 119, 109).
Aa
White text reads best on this color (5.22:1).
About this color
#37776D is a medium-dark, muted teal or cyan. In OKLCH its lightness is 52%, its chroma 0.068 and its hue 182°. Its hue sits on the cool side of the wheel. The nearest named color is Bluegreen (#017A79), ΔE 0.027 away. White text reads best on it, at 5.22:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (52%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Bluegreen (#017A79) |
| Black text | 4.02:1 |
| White text | 5.22:1 |
Values
| HEX | #37776D |
| RGB | rgb(55, 119, 109) |
| HSL | hsl(171, 37%, 34%) |
| OKLCH | oklch(52.4% 0.068 182) |
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 #37776D | 5.22:1 | AA | Lc -81.1 | Fine for body text |
| Black text on #37776D | 4.02:1 | AA large text | Lc 28.3 | Dividers and decoration only |
| #37776D text on white | 5.22:1 | AA | Lc 75.7 | Fine for body text |
| #37776D text on black | 4.02:1 | AA large text | Lc -26.0 | 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
#F3F6F5
oklch(97.1% 0.003 174.5)
-
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
#ACC7C2
oklch(80.8% 0.03 183.2)
-
Step 400
400
#7FABA3
oklch(70.7% 0.049 182.4)
-
Step 500
500
#5D968C
oklch(63.1% 0.062 181.9)
-
Step 600
600 (this color)
#37776D
oklch(52.4% 0.068 182)
-
Step 700
700
#326C63
oklch(49% 0.063 182.2)
-
Step 800
800
#2B5851
oklch(42.6% 0.051 182.5)
-
Step 900
900
#274943
oklch(37.7% 0.041 181.4)
-
Step 950
950
#182B27
oklch(27.1% 0.026 179.4)
#37776D 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) | #72716D | 0.072 |
| Deuteranopia (no green cones) | #68696E | 0.069 |
| Tritanopia (no blue cones) | #137974 | 0.021 |
| Achromatopsia (no color) | #6C6C6C | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37776D
#37776D
oklch(52.4% 0.068 182)
- #8B5967
#8B5967
oklch(52.3% 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 #37776D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluegreen #017A79 ΔE 0.027
- Dark Aquamarine #017371 ΔE 0.032
- Deep Turquoise #017374 ΔE 0.033
- Deep Aqua #08787F ΔE 0.033
- Teal #008080 ΔE 0.036
- Dark Aqua #05696B ΔE 0.056
- Ocean #017B92 ΔE 0.057
- Slate #516572 ΔE 0.063
Use #37776D 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.