#003D37
Closest named color: Midnight Green (#073B4C). oklch(32.3% 0.057 184.1), rgb(0, 61, 55).
Aa
White text reads best on this color (12.19:1).
About this color
#003D37 is a dark, muted teal or cyan. In OKLCH its lightness is 32%, its chroma 0.057 and its hue 184°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Green (#073B4C), ΔE 0.042 away. White text reads best on it, at 12.19:1.
| Hue family | Teals and cyans |
| Lightness | dark (32%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Midnight Green (#073B4C) |
| Black text | 1.72:1 |
| White text | 12.19:1 |
Values
| HEX | #003D37 |
| RGB | rgb(0, 61, 55) |
| HSL | hsl(174, 100%, 12%) |
| OKLCH | oklch(32.3% 0.057 184.1) |
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 #003D37 | 12.19:1 | AAA | Lc -101.0 | Preferred for body text |
| Black text on #003D37 | 1.72:1 | Fails | Lc 0.0 | Not readable |
| #003D37 text on white | 12.19:1 | AAA | Lc 97.4 | Preferred for body text |
| #003D37 text on black | 1.72:1 | Fails | Lc 0.0 | Not readable |
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 950.
-
Step 50
50
#EFF8F6
oklch(97.2% 0.01 181.4)
-
Step 100
100
#DCEEEB
oklch(93.5% 0.019 184.9)
-
Step 200
200
#BFE2DC
oklch(88.6% 0.038 184)
-
Step 300
300
#8ECFC5
oklch(80.8% 0.068 184)
-
Step 400
400
#3CB6A8
oklch(70.6% 0.108 184.2)
-
Step 500
500
#009F91
oklch(63.1% 0.112 184)
-
Step 600
600
#00867A
oklch(55.7% 0.099 183.9)
-
Step 700
700
#007066
oklch(49% 0.087 184.2)
-
Step 800
800
#005C54
oklch(42.7% 0.075 184.7)
-
Step 900
900
#004D46
oklch(37.8% 0.067 184.5)
-
Step 950
950 (this color)
#003D37
oklch(32.3% 0.057 184.1)
#003D37 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) | #393937 | 0.060 |
| Deuteranopia (no green cones) | #323338 | 0.058 |
| Tritanopia (no blue cones) | #003F3B | 0.009 |
| Achromatopsia (no color) | #353535 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #003D37
#003D37
oklch(32.3% 0.057 184.1)
- #4C2630
#4C2630
oklch(32.3% 0.058 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 #003D37, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Green #073B4C ΔE 0.042
- Evergreen #05472A ΔE 0.048
- Dark Blue Grey #1F3B4D ΔE 0.051
- Pakistan Green #283618 ΔE 0.052
- Onyx #343A40 ΔE 0.057
- Gunmetal #293241 ΔE 0.059
- Dark Teal #014D4E ΔE 0.059
- Pine Green #0A481E ΔE 0.064
Use #003D37 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.