#583E18
Closest named color: Mud Brown (#60460F). oklch(38.5% 0.064 74), rgb(88, 62, 24).
Aa
White text reads best on this color (9.91:1).
About this color
#583E18 is a dark, muted brown. In OKLCH its lightness is 38%, its chroma 0.064 and its hue 74°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.032 away. White text reads best on it, at 9.91:1.
| Hue family | Browns |
| Lightness | dark (38%) |
| Chroma | muted (0.064) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.11:1 |
| White text | 9.91:1 |
Values
| HEX | #583E18 |
| RGB | rgb(88, 62, 24) |
| HSL | hsl(36, 57%, 22%) |
| OKLCH | oklch(38.5% 0.064 74) |
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 #583E18 | 9.91:1 | AAA | Lc -97.0 | Preferred for body text |
| Black text on #583E18 | 2.11:1 | Fails | Lc 11.0 | Not readable |
| #583E18 text on white | 9.91:1 | AAA | Lc 92.9 | Preferred for body text |
| #583E18 text on black | 2.11:1 | Fails | Lc -9.6 | 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
#F8F5F1
oklch(97.1% 0.006 75.4)
-
Step 100
100
#F0E9E0
oklch(93.7% 0.014 74.4)
-
Step 200
200
#E4D7C6
oklch(88.5% 0.027 74.7)
-
Step 300
300
#D4BD9F
oklch(81% 0.048 74.4)
-
Step 400
400
#BE9A6A
oklch(70.8% 0.077 74)
-
Step 500
500
#AD8040
oklch(63.1% 0.098 74)
-
Step 600
600
#98681B
oklch(55.5% 0.107 73.8)
-
Step 700
700
#82570C
oklch(49.2% 0.1 74.1)
-
Step 800
800
#6A470F
oklch(42.7% 0.083 73.6)
-
Step 900
900 (this color)
#583E18
oklch(38.5% 0.064 74)
-
Step 950
950
#32230E
oklch(26.9% 0.041 73.8)
#583E18 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) | #473F14 | 0.033 |
| Deuteranopia (no green cones) | #4E4519 | 0.027 |
| Tritanopia (no blue cones) | #603736 | 0.055 |
| Achromatopsia (no color) | #434343 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #583E18
#583E18
oklch(38.5% 0.064 74)
- #2A4565
#2A4565
oklch(38.4% 0.064 253.5)
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 #583E18, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.032
- Green Brown #544E03 ΔE 0.055
- Dark Olive #373E02 ΔE 0.066
- Purple Brown #673A3F ΔE 0.068
- Chestnut #742802 ΔE 0.070
- Charcoal Grey #3C4142 ΔE 0.071
- Olive Brown #645403 ΔE 0.075
- Onyx #343A40 ΔE 0.087
Use #583E18 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.