#583C33
Closest named color: Purple Brown (#673A3F). oklch(38.5% 0.043 38.6), rgb(88, 60, 51).
Aa
White text reads best on this color (9.95:1).
About this color
#583C33 is a dark, muted red. In OKLCH its lightness is 39%, its chroma 0.043 and its hue 39°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.037 away. White text reads best on it, at 9.95:1.
| Hue family | Reds |
| Lightness | dark (39%) |
| Chroma | muted (0.043) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.10:1 |
| White text | 9.95:1 |
Values
| HEX | #583C33 |
| RGB | rgb(88, 60, 51) |
| HSL | hsl(15, 27%, 27%) |
| OKLCH | oklch(38.5% 0.043 38.6) |
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 #583C33 | 9.95:1 | AAA | Lc -97.2 | Preferred for body text |
| Black text on #583C33 | 2.10:1 | Fails | Lc 10.9 | Not readable |
| #583C33 text on white | 9.95:1 | AAA | Lc 93.0 | Preferred for body text |
| #583C33 text on black | 2.10:1 | Fails | Lc -9.4 | 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
#F8F4F3
oklch(97% 0.005 34.3)
-
Step 100
100
#F0E8E5
oklch(93.6% 0.01 41.9)
-
Step 200
200
#E4D5D1
oklch(88.4% 0.018 35.3)
-
Step 300
300
#D4BAB2
oklch(80.9% 0.032 37.8)
-
Step 400
400
#BE968A
oklch(70.7% 0.051 37.3)
-
Step 500
500
#AD7C6C
oklch(63.1% 0.066 38.8)
-
Step 600
600
#986554
oklch(55.7% 0.071 39.2)
-
Step 700
700
#815345
oklch(49% 0.066 37.7)
-
Step 800
800
#694439
oklch(42.6% 0.055 37.3)
-
Step 900
900 (this color)
#583C33
oklch(38.5% 0.043 38.6)
-
Step 950
950
#32221D
oklch(27% 0.026 38.1)
#583C33 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) | #433F32 | 0.039 |
| Deuteranopia (no green cones) | #494533 | 0.037 |
| Tritanopia (no blue cones) | #5E383A | 0.022 |
| Achromatopsia (no color) | #434343 | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #583C33
#583C33
oklch(38.5% 0.043 38.6)
- #284953
#284953
oklch(38.4% 0.042 219.4)
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 #583C33, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.037
- Charcoal Grey #3C4142 ΔE 0.052
- Mud Brown #60460F ΔE 0.060
- Onyx #343A40 ΔE 0.068
- Chestnut #742802 ΔE 0.073
- Brownish Purple #76424E ΔE 0.074
- Dark Slate Gray #2F4F4F ΔE 0.081
- Green Brown #544E03 ΔE 0.085
Use #583C33 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.