#37604D
Closest named color: Dark Green Blue (#1F6357). oklch(45.3% 0.056 163), rgb(55, 96, 77).
Aa
White text reads best on this color (7.13:1).
About this color
#37604D is a medium-dark, muted green. In OKLCH its lightness is 45%, its chroma 0.056 and its hue 163°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.022 away. White text reads best on it, at 7.13:1.
| Hue family | Greens |
| Lightness | medium-dark (45%) |
| Chroma | muted (0.056) |
| Temperature | in between |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.94:1 |
| White text | 7.13:1 |
Values
| HEX | #37604D |
| RGB | rgb(55, 96, 77) |
| HSL | hsl(152, 27%, 30%) |
| OKLCH | oklch(45.3% 0.056 163) |
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 #37604D | 7.13:1 | AAA | Lc -89.6 | Fine for body text |
| Black text on #37604D | 2.94:1 | Fails | Lc 19.4 | Dividers and decoration only |
| #37604D text on white | 7.13:1 | AAA | Lc 84.7 | Fine for body text |
| #37604D text on black | 2.94:1 | Fails | Lc -17.3 | 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 800.
-
Step 50
50
#F3F6F4
oklch(97% 0.004 157.2)
-
Step 100
100
#E4ECE8
oklch(93.6% 0.01 164.9)
-
Step 200
200
#CFDDD6
oklch(88.5% 0.018 164.6)
-
Step 300
300
#AEC8BB
oklch(81% 0.033 164)
-
Step 400
400
#83AB97
oklch(70.6% 0.052 163)
-
Step 500
500
#63977E
oklch(63.2% 0.067 162.8)
-
Step 600
600
#488167
oklch(55.6% 0.073 163)
-
Step 700
700
#396D56
oklch(49.1% 0.068 163.5)
-
Step 800
800 (this color)
#37604D
oklch(45.3% 0.056 163)
-
Step 900
900
#2B493B
oklch(37.7% 0.044 163.2)
-
Step 950
950
#1A2B23
oklch(27.1% 0.027 163.6)
#37604D 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) | #5F5B4C | 0.055 |
| Deuteranopia (no green cones) | #58564E | 0.053 |
| Tritanopia (no blue cones) | #2D605B | 0.023 |
| Achromatopsia (no color) | #585858 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37604D
#37604D
oklch(45.3% 0.056 163)
- #6C495E
#6C495E
oklch(45.1% 0.057 342.9)
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 #37604D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.022
- Pine #2B5D34 ΔE 0.041
- Dark Aqua #05696B ΔE 0.050
- Spruce #0A5F38 ΔE 0.050
- Petrol #005F6A ΔE 0.055
- Dark Slate Gray #2F4F4F ΔE 0.059
- Deep Teal #00555A ΔE 0.062
- Dark Blue Green #005249 ΔE 0.064
Use #37604D 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.