#56403F
Closest named color: Purple Brown (#673A3F). oklch(39.5% 0.031 21.6), rgb(86, 64, 63).
Aa
White text reads best on this color (9.54:1).
About this color
#56403F is a dark, muted red. In OKLCH its lightness is 40%, its chroma 0.031 and its hue 22°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.035 away. White text reads best on it, at 9.54:1.
| Hue family | Reds |
| Lightness | dark (40%) |
| Chroma | muted (0.031) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.20:1 |
| White text | 9.54:1 |
Values
| HEX | #56403F |
| RGB | rgb(86, 64, 63) |
| HSL | hsl(3, 15%, 29%) |
| OKLCH | oklch(39.5% 0.031 21.6) |
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 #56403F | 9.54:1 | AAA | Lc -96.3 | Preferred for body text |
| Black text on #56403F | 2.20:1 | Fails | Lc 11.9 | Not readable |
| #56403F text on white | 9.54:1 | AAA | Lc 92.1 | Preferred for body text |
| #56403F text on black | 2.20:1 | Fails | Lc -10.3 | 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
#F7F5F4
oklch(97.1% 0.003 48.7)
-
Step 100
100
#EEE8E8
oklch(93.6% 0.007 17.3)
-
Step 200
200
#E2D6D5
oklch(88.5% 0.013 23.2)
-
Step 300
300
#CFBBBA
oklch(80.9% 0.023 21.1)
-
Step 400
400
#B79896
oklch(70.7% 0.037 22.4)
-
Step 500
500
#A47F7D
oklch(63.1% 0.046 22)
-
Step 600
600
#8F6866
oklch(55.7% 0.051 22.1)
-
Step 700
700
#7A5655
oklch(49.1% 0.048 20.8)
-
Step 800
800
#634645
oklch(42.6% 0.04 21.1)
-
Step 900
900 (this color)
#56403F
oklch(39.5% 0.031 21.6)
-
Step 950
950
#2F2322
oklch(27% 0.019 23.9)
#56403F 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) | #44433F | 0.032 |
| Deuteranopia (no green cones) | #49473F | 0.030 |
| Tritanopia (no blue cones) | #5B3E40 | 0.011 |
| Achromatopsia (no color) | #454545 | 0.031 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #56403F
#56403F
oklch(39.5% 0.031 21.6)
- #324C4D
#324C4D
oklch(39.6% 0.032 199)
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 #56403F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.035
- Charcoal Grey #3C4142 ΔE 0.045
- Onyx #343A40 ΔE 0.065
- Brownish Purple #76424E ΔE 0.067
- Dark Slate Gray #2F4F4F ΔE 0.069
- Mud Brown #60460F ΔE 0.069
- Charcoal #264653 ΔE 0.076
- Dark Grey Blue #29465B ΔE 0.078
Use #56403F 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.