#424B30
Closest named color: Dark Slate Gray (#2F4F4F). oklch(39.7% 0.045 123.4), rgb(66, 75, 48).
Aa
White text reads best on this color (9.20:1).
About this color
#424B30 is a dark, muted brown. In OKLCH its lightness is 40%, its chroma 0.045 and its hue 123°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.049 away. White text reads best on it, at 9.20:1.
| Hue family | Browns |
| Lightness | dark (40%) |
| Chroma | muted (0.045) |
| Temperature | in between |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.28:1 |
| White text | 9.20:1 |
Values
| HEX | #424B30 |
| RGB | rgb(66, 75, 48) |
| HSL | hsl(80, 22%, 24%) |
| OKLCH | oklch(39.7% 0.045 123.4) |
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 #424B30 | 9.20:1 | AAA | Lc -95.6 | Preferred for body text |
| Black text on #424B30 | 2.28:1 | Fails | Lc 12.7 | Not readable |
| #424B30 text on white | 9.20:1 | AAA | Lc 91.2 | Preferred for body text |
| #424B30 text on black | 2.28:1 | Fails | Lc -11.1 | 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
#F5F6F3
oklch(97.2% 0.004 121.6)
-
Step 100
100
#E8EBE4
oklch(93.6% 0.01 125.7)
-
Step 200
200
#D6DBCE
oklch(88.4% 0.018 124)
-
Step 300
300
#BCC5AD
oklch(81% 0.034 123.9)
-
Step 400
400
#9AA782
oklch(70.8% 0.054 123.5)
-
Step 500
500
#819162
oklch(63.2% 0.069 123.6)
-
Step 600
600
#6B7B49
oklch(55.7% 0.074 123.3)
-
Step 700
700
#59673A
oklch(49% 0.069 123)
-
Step 800
800
#495430
oklch(42.6% 0.057 122.7)
-
Step 900
900 (this color)
#424B30
oklch(39.7% 0.045 123.4)
-
Step 950
950
#242919
oklch(27.1% 0.029 122.4)
#424B30 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) | #4E482E | 0.020 |
| Deuteranopia (no green cones) | #4D4831 | 0.020 |
| Tritanopia (no blue cones) | #444844 | 0.037 |
| Achromatopsia (no color) | #484848 | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #424B30
#424B30
oklch(39.7% 0.045 123.4)
- #4C415B
#4C415B
oklch(39.7% 0.045 303.7)
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 #424B30, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.049
- Green Brown #544E03 ΔE 0.051
- Charcoal Grey #3C4142 ΔE 0.052
- Mud Brown #60460F ΔE 0.055
- Navy Green #35530A ΔE 0.059
- Pine #2B5D34 ΔE 0.060
- Dark Blue Green #005249 ΔE 0.061
- Dark Olive #373E02 ΔE 0.062
Use #424B30 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.