#37604E
Closest named color: Dark Green Blue (#1F6357). oklch(45.3% 0.055 164.3), rgb(55, 96, 78).
Aa
White text reads best on this color (7.12:1).
About this color
#37604E is a medium-dark, muted green. In OKLCH its lightness is 45%, its chroma 0.055 and its hue 164°. 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 7.12:1.
| Hue family | Greens |
| Lightness | medium-dark (45%) |
| Chroma | muted (0.055) |
| Temperature | in between |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.94:1 |
| White text | 7.12:1 |
Values
| HEX | #37604E |
| RGB | rgb(55, 96, 78) |
| HSL | hsl(154, 27%, 30%) |
| OKLCH | oklch(45.3% 0.055 164.3) |
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 #37604E | 7.12:1 | AAA | Lc -89.6 | Fine for body text |
| Black text on #37604E | 2.94:1 | Fails | Lc 19.4 | Dividers and decoration only |
| #37604E text on white | 7.12:1 | AAA | Lc 84.6 | Fine for body text |
| #37604E text on black | 2.94:1 | Fails | Lc -17.4 | 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
#F3F6F5
oklch(97.1% 0.003 174.5)
-
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
#83AB98
oklch(70.6% 0.052 164.3)
-
Step 500
500
#63967F
oklch(63% 0.065 164.5)
-
Step 600
600
#488168
oklch(55.6% 0.072 164)
-
Step 700
700
#396D57
oklch(49.2% 0.067 164.5)
-
Step 800
800 (this color)
#37604E
oklch(45.3% 0.055 164.3)
-
Step 900
900
#2B493C
oklch(37.7% 0.043 165)
-
Step 950
950
#1A2B23
oklch(27.1% 0.027 163.6)
#37604E 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) | #5F5B4D | 0.055 |
| Deuteranopia (no green cones) | #58564F | 0.053 |
| Tritanopia (no blue cones) | #2C605B | 0.022 |
| Achromatopsia (no color) | #585858 | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37604E
#37604E
oklch(45.3% 0.055 164.3)
- #6C4A5E
#6C4A5E
oklch(45.3% 0.055 343.4)
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 #37604E, 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 0.042
- Dark Aqua #05696B ΔE 0.049
- Spruce #0A5F38 ΔE 0.051
- Petrol #005F6A ΔE 0.054
- Dark Slate Gray #2F4F4F ΔE 0.059
- Deep Teal #00555A ΔE 0.061
- Dark Blue Green #005249 ΔE 0.064
Use #37604E 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.