#37695B
Closest named color: Dark Green Blue (#1F6357). oklch(48.1% 0.059 173.5), rgb(55, 105, 91).
Aa
White text reads best on this color (6.29:1).
About this color
#37695B is a medium-dark, muted teal or cyan. In OKLCH its lightness is 48%, its chroma 0.059 and its hue 173°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.030 away. White text reads best on it, at 6.29:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (48%) |
| Chroma | muted (0.059) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 3.33:1 |
| White text | 6.29:1 |
Values
| HEX | #37695B |
| RGB | rgb(55, 105, 91) |
| HSL | hsl(163, 31%, 31%) |
| OKLCH | oklch(48.1% 0.059 173.5) |
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 #37695B | 6.29:1 | AA | Lc -86.4 | Fine for body text |
| Black text on #37695B | 3.33:1 | AA large text | Lc 22.8 | Dividers and decoration only |
| #37695B text on white | 6.29:1 | AA | Lc 81.2 | Fine for body text |
| #37695B text on black | 3.33:1 | AA large text | Lc -20.6 | 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
#CFDDD8
oklch(88.6% 0.016 172.6)
-
Step 300
300
#AFC7BF
oklch(80.9% 0.028 173.5)
-
Step 400
400
#84AA9E
oklch(70.6% 0.045 173.7)
-
Step 500
500
#639586
oklch(63% 0.059 173.6)
-
Step 600
600
#498070
oklch(55.7% 0.064 173.2)
-
Step 700
700 (this color)
#37695B
oklch(48.1% 0.059 173.5)
-
Step 800
800
#30584D
oklch(42.7% 0.049 174.2)
-
Step 900
900
#2B4840
oklch(37.6% 0.038 174.8)
-
Step 950
950
#1A2A25
oklch(26.9% 0.023 173)
#37695B 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) | #66635A | 0.062 |
| Deuteranopia (no green cones) | #5E5D5C | 0.060 |
| Tritanopia (no blue cones) | #256A65 | 0.019 |
| Achromatopsia (no color) | #606060 | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37695B
#37695B
oklch(48.1% 0.059 173.5)
- #795060
#795060
oklch(48.2% 0.059 354.5)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes and gradients that use #37695B
These curated palettes and gradients contain exactly #37695B. Open one to see the full color scheme around it.
Gradients
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.030
- Dark Aqua #05696B ΔE 0.035
- Dark Aquamarine #017371 ΔE 0.041
- Deep Turquoise #017374 ΔE 0.044
- Slate #516572 ΔE 0.055
- Petrol #005F6A ΔE 0.057
- Bluegreen #017A79 ΔE 0.059
- Deep Aqua #08787F ΔE 0.061
Use #37695B 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.