#243B31
Closest named color: Pakistan Green (#283618). oklch(33% 0.034 165.3), rgb(36, 59, 49).
Aa
White text reads best on this color (12.03:1).
About this color
#243B31 is a dark, muted green. In OKLCH its lightness is 33%, its chroma 0.034 and its hue 165°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pakistan Green (#283618), ΔE 0.037 away. White text reads best on it, at 12.03:1.
| Hue family | Greens |
| Lightness | dark (33%) |
| Chroma | muted (0.034) |
| Temperature | in between |
| Nearest name | Pakistan Green (#283618) |
| Black text | 1.74:1 |
| White text | 12.03:1 |
Values
| HEX | #243B31 |
| RGB | rgb(36, 59, 49) |
| HSL | hsl(154, 24%, 19%) |
| OKLCH | oklch(33% 0.034 165.3) |
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 #243B31 | 12.03:1 | AAA | Lc -101.0 | Preferred for body text |
| Black text on #243B31 | 1.74:1 | Fails | Lc 0.0 | Not readable |
| #243B31 text on white | 12.03:1 | AAA | Lc 97.5 | Preferred for body text |
| #243B31 text on black | 1.74:1 | 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 900.
-
Step 50
50
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E6EBE9
oklch(93.6% 0.006 170.4)
-
Step 200
200
#D1DCD7
oklch(88.5% 0.014 167.1)
-
Step 300
300
#B2C6BD
oklch(80.9% 0.025 166.9)
-
Step 400
400
#89A99A
oklch(70.6% 0.041 165.1)
-
Step 500
500
#6B9482
oklch(63.1% 0.053 165.8)
-
Step 600
600
#537E6B
oklch(55.6% 0.056 165)
-
Step 700
700
#436A59
oklch(49% 0.052 165.1)
-
Step 800
800
#375749
oklch(42.7% 0.045 165.1)
-
Step 900
900 (this color)
#243B31
oklch(33% 0.034 165.3)
-
Step 950
950
#1C2A24
oklch(27% 0.022 166.4)
#243B31 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) | #3A3831 | 0.034 |
| Deuteranopia (no green cones) | #363532 | 0.033 |
| Tritanopia (no blue cones) | #1E3B38 | 0.013 |
| Achromatopsia (no color) | #363636 | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #243B31
#243B31
oklch(33% 0.034 165.3)
- #422E39
#422E39
oklch(32.9% 0.034 345)
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 #243B31, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pakistan Green #283618 ΔE 0.037
- Onyx #343A40 ΔE 0.038
- Gunmetal #293241 ΔE 0.049
- Dark Blue Grey #1F3B4D ΔE 0.050
- Charcoal Grey #3C4142 ΔE 0.051
- Evergreen #05472A ΔE 0.051
- Midnight Green #073B4C ΔE 0.051
- Charcoal #264653 ΔE 0.061
Use #243B31 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.