#003B31
Closest named color: Pakistan Green (#283618). oklch(31.5% 0.058 177.1), rgb(0, 59, 49).
Aa
White text reads best on this color (12.57:1).
About this color
#003B31 is a dark, muted teal or cyan. In OKLCH its lightness is 32%, its chroma 0.058 and its hue 177°. Its hue sits on the cool side of the wheel. The nearest named color is Pakistan Green (#283618), ΔE 0.045 away. White text reads best on it, at 12.57:1.
| Hue family | Teals and cyans |
| Lightness | dark (32%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Pakistan Green (#283618) |
| Black text | 1.66:1 |
| White text | 12.57:1 |
Values
| HEX | #003B31 |
| RGB | rgb(0, 59, 49) |
| HSL | hsl(170, 100%, 12%) |
| OKLCH | oklch(31.5% 0.058 177.1) |
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 #003B31 | 12.57:1 | AAA | Lc -101.6 | Preferred for body text |
| Black text on #003B31 | 1.66:1 | Fails | Lc 0.0 | Not readable |
| #003B31 text on white | 12.57:1 | AAA | Lc 98.1 | Preferred for body text |
| #003B31 text on black | 1.66:1 | 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
#EFF8F5
oklch(97.2% 0.01 174.3)
-
Step 100
100
#DDEEE9
oklch(93.5% 0.019 176.4)
-
Step 200
200
#BFE2D9
oklch(88.5% 0.039 178.1)
-
Step 300
300
#90D0C0
oklch(81% 0.069 177.1)
-
Step 400
400
#41B79F
oklch(70.7% 0.111 176.8)
-
Step 500
500
#00A088
oklch(63.1% 0.117 177)
-
Step 600
600
#008772
oklch(55.7% 0.104 176.6)
-
Step 700
700
#007160
oklch(49.1% 0.091 177.4)
-
Step 800
800
#005D4E
oklch(42.8% 0.079 176.7)
-
Step 900
900
#004D41
oklch(37.6% 0.069 177.7)
-
Step 950
950 (this color)
#003B31
oklch(31.5% 0.058 177.1)
#003B31 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) | #383631 | 0.062 |
| Deuteranopia (no green cones) | #313132 | 0.059 |
| Tritanopia (no blue cones) | #003C38 | 0.012 |
| Achromatopsia (no color) | #333333 | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #003B31
#003B31
oklch(31.5% 0.058 177.1)
- #492432
#492432
oklch(31.5% 0.059 357)
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 #003B31, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pakistan Green #283618 ΔE 0.045
- Evergreen #05472A ΔE 0.048
- Midnight Green #073B4C ΔE 0.050
- Dark Blue Grey #1F3B4D ΔE 0.059
- Gunmetal #293241 ΔE 0.062
- Pine Green #0A481E ΔE 0.063
- Hunter Green #0B4008 ΔE 0.063
- Onyx #343A40 ΔE 0.063
Use #003B31 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.