#37615E
Closest named color: Dark Green Blue (#1F6357). oklch(46.1% 0.047 189.8), rgb(55, 97, 94).
Aa
White text reads best on this color (6.92:1).
About this color
#37615E is a medium-dark, muted teal or cyan. In OKLCH its lightness is 46%, its chroma 0.047 and its hue 190°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.026 away. White text reads best on it, at 6.92:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.047) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 3.03:1 |
| White text | 6.92:1 |
Values
| HEX | #37615E |
| RGB | rgb(55, 97, 94) |
| HSL | hsl(176, 28%, 30%) |
| OKLCH | oklch(46.1% 0.047 189.8) |
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 #37615E | 6.92:1 | AA | Lc -88.8 | Fine for body text |
| Black text on #37615E | 3.03:1 | AA large text | Lc 20.2 | Dividers and decoration only |
| #37615E text on white | 6.92:1 | AA | Lc 83.9 | Fine for body text |
| #37615E text on black | 3.03:1 | AA large text | Lc -18.1 | 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
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E5EBEB
oklch(93.6% 0.006 197)
-
Step 200
200
#D0DCDB
oklch(88.5% 0.013 190.9)
-
Step 300
300
#B1C6C4
oklch(81% 0.023 189.8)
-
Step 400
400
#87A8A5
oklch(70.6% 0.036 189.5)
-
Step 500
500
#689390
oklch(63.1% 0.047 190.6)
-
Step 600
600
#4F7D7A
oklch(55.6% 0.051 190.6)
-
Step 700
700 (this color)
#37615E
oklch(46.1% 0.047 189.8)
-
Step 800
800
#355654
oklch(42.7% 0.039 190.9)
-
Step 900
900
#2E4745
oklch(37.7% 0.031 189.6)
-
Step 950
950
#1B2A28
oklch(27.1% 0.021 185.7)
#37615E 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) | #5D5D5E | 0.051 |
| Deuteranopia (no green cones) | #55575E | 0.048 |
| Tritanopia (no blue cones) | #256360 | 0.016 |
| Achromatopsia (no color) | #5A5A5A | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37615E
#37615E
oklch(46.1% 0.047 189.8)
- #704D52
#704D52
oklch(46% 0.048 9.7)
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 #37615E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.026
- Dark Aqua #05696B ΔE 0.035
- Petrol #005F6A ΔE 0.039
- Slate #516572 ΔE 0.049
- YInMn Blue #415A77 ΔE 0.055
- Dark Aquamarine #017371 ΔE 0.057
- Deep Turquoise #017374 ΔE 0.058
- Deep Teal #00555A ΔE 0.058
Use #37615E 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.