#37816F
Closest named color: Teal (#008080). oklch(55.1% 0.079 174.8), rgb(55, 129, 111).
Aa
White text reads best on this color (4.63:1).
About this color
#37816F is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 55%, its chroma 0.079 and its hue 175°. Its hue sits on the cool side of the wheel. The nearest named color is Teal (#008080), ΔE 0.034 away. White text reads best on it, at 4.63:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Teal (#008080) |
| Black text | 4.53:1 |
| White text | 4.63:1 |
Values
| HEX | #37816F |
| RGB | rgb(55, 129, 111) |
| HSL | hsl(165, 40%, 36%) |
| OKLCH | oklch(55.1% 0.079 174.8) |
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 #37816F | 4.63:1 | AA | Lc -77.4 | Fine for body text |
| Black text on #37816F | 4.53:1 | AA | Lc 32.1 | Non-text elements, placeholder text |
| #37816F text on white | 4.63:1 | AA | Lc 72.0 | Content text, not long reading |
| #37816F text on black | 4.53:1 | AA | Lc -29.7 | 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
#F2F6F5
oklch(97% 0.004 179.7)
-
Step 100
100
#E3ECE9
oklch(93.5% 0.01 174.3)
-
Step 200
200
#CCDED8
oklch(88.5% 0.021 173.9)
-
Step 300
300
#AAC9BF
oklch(81% 0.036 173.9)
-
Step 400
400
#7BAD9E
oklch(70.8% 0.058 174)
-
Step 500
500
#579887
oklch(63.1% 0.072 175.1)
-
Step 600
600 (this color)
#37816F
oklch(55.1% 0.079 174.8)
-
Step 700
700
#2A6E5E
oklch(49% 0.073 175)
-
Step 800
800
#255A4D
oklch(42.8% 0.061 174.8)
-
Step 900
900
#234A40
oklch(37.7% 0.048 174.9)
-
Step 950
950
#162B25
oklch(26.9% 0.03 173.8)
#37816F 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) | #7D796E | 0.083 |
| Deuteranopia (no green cones) | #727170 | 0.080 |
| Tritanopia (no blue cones) | #09827C | 0.026 |
| Achromatopsia (no color) | #757575 | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37816F
#37816F
oklch(55.1% 0.079 174.8)
- #975E74
#975E74
oklch(55.1% 0.08 355.3)
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 #37816F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal #008080 ΔE 0.034
- Bluegreen #017A79 ΔE 0.040
- Dark Cyan #008B8B ΔE 0.044
- Deep Aqua #08787F ΔE 0.049
- Dark Sage #598556 ΔE 0.050
- Sea Green #2E8B57 ΔE 0.055
- Viridian #1E9167 ΔE 0.055
- Dark Aquamarine #017371 ΔE 0.055
Use #37816F 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.