#563303
Closest named color: Mud Brown (#60460F). oklch(35.6% 0.076 67.4), rgb(86, 51, 3).
Aa
White text reads best on this color (11.22:1).
About this color
#563303 is a dark, moderately saturated brown. In OKLCH its lightness is 36%, its chroma 0.076 and its hue 67°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.059 away. White text reads best on it, at 11.22:1.
| Hue family | Browns |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.076) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 1.87:1 |
| White text | 11.22:1 |
Values
| HEX | #563303 |
| RGB | rgb(86, 51, 3) |
| HSL | hsl(35, 93%, 17%) |
| OKLCH | oklch(35.6% 0.076 67.4) |
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 #563303 | 11.22:1 | AAA | Lc -99.5 | Preferred for body text |
| Black text on #563303 | 1.87:1 | Fails | Lc 8.2 | Not readable |
| #563303 text on white | 11.22:1 | AAA | Lc 95.7 | Preferred for body text |
| #563303 text on black | 1.87:1 | 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
#F9F5F0
oklch(97.2% 0.008 73.7)
-
Step 100
100
#F2E8DE
oklch(93.6% 0.017 67.6)
-
Step 200
200
#E8D6C3
oklch(88.6% 0.032 68.9)
-
Step 300
300
#DABA9A
oklch(80.9% 0.057 66.9)
-
Step 400
400
#C79661
oklch(70.8% 0.091 67.6)
-
Step 500
500
#B87A30
oklch(63.1% 0.117 67.1)
-
Step 600
600
#A26300
oklch(55.7% 0.123 67.4)
-
Step 700
700
#885300
oklch(49.1% 0.108 68.1)
-
Step 800
800
#704300
oklch(42.6% 0.094 67.6)
-
Step 900
900 (this color)
#563303
oklch(35.6% 0.076 67.4)
-
Step 950
950
#362109
oklch(26.9% 0.049 66.5)
#563303 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) | #3E3600 | 0.048 |
| Deuteranopia (no green cones) | #473E04 | 0.042 |
| Tritanopia (no blue cones) | #5F2A2A | 0.060 |
| Achromatopsia (no color) | #3B3B3B | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #563303
#563303
oklch(35.6% 0.076 67.4)
- #153F62
#153F62
oklch(35.7% 0.076 247.3)
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 #563303, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.059
- Chestnut #742802 ΔE 0.065
- Dark Olive #373E02 ΔE 0.065
- Green Brown #544E03 ΔE 0.080
- Purple Brown #673A3F ΔE 0.081
- Reddy Brown #6E1005 ΔE 0.082
- Pakistan Green #283618 ΔE 0.083
- Charcoal Grey #3C4142 ΔE 0.083
Use #563303 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.