#37606A
Closest named color: Petrol (#005F6A). oklch(46.3% 0.049 215.1), rgb(55, 96, 106).
Aa
White text reads best on this color (6.89:1).
About this color
#37606A is a medium-dark, muted teal or cyan. In OKLCH its lightness is 46%, its chroma 0.049 and its hue 215°. Its hue sits on the cool side of the wheel. The nearest named color is Petrol (#005F6A), ΔE 0.034 away. White text reads best on it, at 6.89:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.049) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 3.04:1 |
| White text | 6.89:1 |
Values
| HEX | #37606A |
| RGB | rgb(55, 96, 106) |
| HSL | hsl(192, 32%, 32%) |
| OKLCH | oklch(46.3% 0.049 215.1) |
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 #37606A | 6.89:1 | AA | Lc -88.7 | Fine for body text |
| Black text on #37606A | 3.04:1 | AA large text | Lc 20.3 | Dividers and decoration only |
| #37606A text on white | 6.89:1 | AA | Lc 83.8 | Fine for body text |
| #37606A text on black | 3.04:1 | AA large text | Lc -18.2 | 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 700.
-
Step 50
50
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E5EBED
oklch(93.6% 0.007 219.6)
-
Step 200
200
#D0DBDE
oklch(88.4% 0.013 215.8)
-
Step 300
300
#B0C5CA
oklch(80.9% 0.024 213.6)
-
Step 400
400
#87A7AF
oklch(70.7% 0.037 214.6)
-
Step 500
500
#68919C
oklch(63.1% 0.048 216.2)
-
Step 600
600
#4E7B87
oklch(55.5% 0.053 216.5)
-
Step 700
700 (this color)
#37606A
oklch(46.3% 0.049 215.1)
-
Step 800
800
#34555D
oklch(42.7% 0.041 214.8)
-
Step 900
900
#2E464C
oklch(37.7% 0.031 215.1)
-
Step 950
950
#1B292D
oklch(27% 0.02 217.4)
#37606A 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) | #595D6B | 0.045 |
| Deuteranopia (no green cones) | #51576A | 0.041 |
| Tritanopia (no blue cones) | #1E6463 | 0.029 |
| Achromatopsia (no color) | #5A5A5A | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37606A
#37606A
oklch(46.3% 0.049 215.1)
- #714F46
#714F46
oklch(46.2% 0.049 35.4)
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 #37606A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Petrol #005F6A ΔE 0.034
- YInMn Blue #415A77 ΔE 0.035
- Dark Aqua #05696B ΔE 0.038
- Slate #516572 ΔE 0.039
- Dark Green Blue #1F6357 ΔE 0.043
- Dusty Grape #545775 ΔE 0.052
- Denim #3B638C ΔE 0.056
- Light Navy Blue #2E5A88 ΔE 0.058
Use #37606A 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.