#37695D
Closest named color: Dark Green Blue (#1F6357). oklch(48.2% 0.058 176.3), rgb(55, 105, 93).
Aa
White text reads best on this color (6.28:1).
About this color
#37695D is a medium-dark, muted teal or cyan. In OKLCH its lightness is 48%, its chroma 0.058 and its hue 176°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.031 away. White text reads best on it, at 6.28:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (48%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 3.34:1 |
| White text | 6.28:1 |
Values
| HEX | #37695D |
| RGB | rgb(55, 105, 93) |
| HSL | hsl(166, 31%, 31%) |
| OKLCH | oklch(48.2% 0.058 176.3) |
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 #37695D | 6.28:1 | AA | Lc -86.3 | Fine for body text |
| Black text on #37695D | 3.34:1 | AA large text | Lc 22.9 | Dividers and decoration only |
| #37695D text on white | 6.28:1 | AA | Lc 81.2 | Fine for body text |
| #37695D text on black | 3.34:1 | AA large text | Lc -20.7 | 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 700.
-
Step 50
50
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E5ECE9
oklch(93.7% 0.008 168.7)
-
Step 200
200
#CFDDD9
oklch(88.6% 0.016 177)
-
Step 300
300
#AFC7C0
oklch(81% 0.028 176.2)
-
Step 400
400
#83AAA0
oklch(70.6% 0.045 177.5)
-
Step 500
500
#639588
oklch(63% 0.057 176.2)
-
Step 600
600
#497F72
oklch(55.5% 0.062 176.7)
-
Step 700
700 (this color)
#37695D
oklch(48.2% 0.058 176.3)
-
Step 800
800
#30584E
oklch(42.8% 0.049 175.9)
-
Step 900
900
#2B4841
oklch(37.6% 0.037 177.2)
-
Step 950
950
#1A2A26
oklch(26.9% 0.023 177.2)
#37695D 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) | #66645C | 0.061 |
| Deuteranopia (no green cones) | #5D5E5E | 0.057 |
| Tritanopia (no blue cones) | #246A65 | 0.018 |
| Achromatopsia (no color) | #606060 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37695D
#37695D
oklch(48.2% 0.058 176.3)
- #79505F
#79505F
oklch(48.1% 0.059 355.9)
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 #37695D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.031
- Dark Aqua #05696B ΔE 0.034
- Dark Aquamarine #017371 ΔE 0.040
- Deep Turquoise #017374 ΔE 0.042
- Slate #516572 ΔE 0.052
- Petrol #005F6A ΔE 0.056
- Bluegreen #017A79 ΔE 0.057
- Deep Aqua #08787F ΔE 0.059
Use #37695D 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.