#284438
Closest named color: Charcoal Grey (#3C4142). oklch(36% 0.04 165.3), rgb(40, 68, 56).
Aa
White text reads best on this color (10.63:1).
About this color
#284438 is a dark, muted green. In OKLCH its lightness is 36%, its chroma 0.040 and its hue 165°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.037 away. White text reads best on it, at 10.63:1.
| Hue family | Greens |
| Lightness | dark (36%) |
| Chroma | muted (0.040) |
| Temperature | in between |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 1.97:1 |
| White text | 10.63:1 |
Values
| HEX | #284438 |
| RGB | rgb(40, 68, 56) |
| HSL | hsl(154, 26%, 21%) |
| OKLCH | oklch(36% 0.04 165.3) |
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 #284438 | 10.63:1 | AAA | Lc -98.6 | Preferred for body text |
| Black text on #284438 | 1.97:1 | Fails | Lc 9.3 | Not readable |
| #284438 text on white | 10.63:1 | AAA | Lc 94.6 | Preferred for body text |
| #284438 text on black | 1.97:1 | Fails | Lc -8.0 | 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
#E5ECE8
oklch(93.7% 0.009 161.3)
-
Step 200
200
#D0DDD6
oklch(88.6% 0.017 162.7)
-
Step 300
300
#AFC7BC
oklch(80.8% 0.03 166.3)
-
Step 400
400
#85AB99
oklch(70.8% 0.049 164.5)
-
Step 500
500
#659680
oklch(63.2% 0.063 164.7)
-
Step 600
600
#4B806A
oklch(55.6% 0.067 165.7)
-
Step 700
700
#3C6C58
oklch(49.1% 0.062 165.3)
-
Step 800
800
#325848
oklch(42.7% 0.051 165.3)
-
Step 900
900 (this color)
#284438
oklch(36% 0.04 165.3)
-
Step 950
950
#1A2A23
oklch(26.8% 0.025 165.5)
#284438 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) | #434037 | 0.040 |
| Deuteranopia (no green cones) | #3E3D39 | 0.038 |
| Tritanopia (no blue cones) | #214441 | 0.016 |
| Achromatopsia (no color) | #3E3E3E | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #284438
#284438
oklch(36% 0.04 165.3)
- #4D3542
#4D3542
oklch(36.1% 0.04 345.6)
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 #284438, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.037
- Evergreen #05472A ΔE 0.041
- Dark Teal #014D4E ΔE 0.042
- Onyx #343A40 ΔE 0.043
- Charcoal #264653 ΔE 0.045
- Dark Slate Gray #2F4F4F ΔE 0.047
- Dark Blue Green #005249 ΔE 0.048
- Pine Green #0A481E ΔE 0.056
Use #284438 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.