#37606C
Closest named color: YInMn Blue (#415A77). oklch(46.4% 0.05 218.7), rgb(55, 96, 108).
Aa
White text reads best on this color (6.88:1).
About this color
#37606C is a medium-dark, muted teal or cyan. In OKLCH its lightness is 46%, its chroma 0.050 and its hue 219°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.032 away. White text reads best on it, at 6.88:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.050) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 3.05:1 |
| White text | 6.88:1 |
Values
| HEX | #37606C |
| RGB | rgb(55, 96, 108) |
| HSL | hsl(194, 33%, 32%) |
| OKLCH | oklch(46.4% 0.05 218.7) |
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 #37606C | 6.88:1 | AA | Lc -88.7 | Fine for body text |
| Black text on #37606C | 3.05:1 | AA large text | Lc 20.3 | Dividers and decoration only |
| #37606C text on white | 6.88:1 | AA | Lc 83.7 | Fine for body text |
| #37606C text on black | 3.05:1 | AA large text | Lc -18.3 | 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
#D0DBDF
oklch(88.4% 0.013 221.4)
-
Step 300
300
#B0C5CB
oklch(80.9% 0.024 216.8)
-
Step 400
400
#86A7B1
oklch(70.7% 0.039 218.2)
-
Step 500
500
#67919E
oklch(63.1% 0.05 219)
-
Step 600
600
#4E7B89
oklch(55.6% 0.054 219.6)
-
Step 700
700 (this color)
#37606C
oklch(46.4% 0.05 218.7)
-
Step 800
800
#34555E
oklch(42.8% 0.041 216.9)
-
Step 900
900
#2E464D
oklch(37.7% 0.032 218)
-
Step 950
950
#1B292D
oklch(27% 0.02 217.4)
#37606C 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) | #585E6D | 0.043 |
| Deuteranopia (no green cones) | #50586C | 0.038 |
| Tritanopia (no blue cones) | #1D6464 | 0.030 |
| Achromatopsia (no color) | #5A5A5A | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37606C
#37606C
oklch(46.4% 0.05 218.7)
- #725045
#725045
oklch(46.5% 0.049 38.7)
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 #37606C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.032
- Petrol #005F6A ΔE 0.035
- Slate #516572 ΔE 0.038
- Dark Aqua #05696B ΔE 0.039
- Dark Green Blue #1F6357 ΔE 0.046
- Dusty Grape #545775 ΔE 0.050
- Denim #3B638C ΔE 0.052
- Light Navy Blue #2E5A88 ΔE 0.055
Use #37606C 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.