#56404B
Closest named color: Purple Brown (#673A3F). oklch(39.9% 0.035 347.3), rgb(86, 64, 75).
Aa
White text reads best on this color (9.41:1).
About this color
#56404B is a dark, muted red. In OKLCH its lightness is 40%, its chroma 0.035 and its hue 347°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.036 away. White text reads best on it, at 9.41:1.
| Hue family | Reds |
| Lightness | dark (40%) |
| Chroma | muted (0.035) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.23:1 |
| White text | 9.41:1 |
Values
| HEX | #56404B |
| RGB | rgb(86, 64, 75) |
| HSL | hsl(330, 15%, 29%) |
| OKLCH | oklch(39.9% 0.035 347.3) |
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 #56404B | 9.41:1 | AAA | Lc -96.0 | Preferred for body text |
| Black text on #56404B | 2.23:1 | Fails | Lc 12.2 | Not readable |
| #56404B text on white | 9.41:1 | AAA | Lc 91.7 | Preferred for body text |
| #56404B text on black | 2.23:1 | Fails | Lc -10.6 | 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
#F7F4F6
oklch(97% 0.004 337.4)
-
Step 100
100
#EEE8EB
oklch(93.7% 0.008 345.4)
-
Step 200
200
#E1D5DB
oklch(88.4% 0.015 345.6)
-
Step 300
300
#CEBAC4
oklch(80.9% 0.026 346)
-
Step 400
400
#B596A5
oklch(70.6% 0.042 347.5)
-
Step 500
500
#A37D90
oklch(63.2% 0.054 347.2)
-
Step 600
600
#8D667A
oklch(55.7% 0.057 347)
-
Step 700
700
#785466
oklch(49% 0.054 347.9)
-
Step 800
800
#624554
oklch(42.7% 0.046 346.8)
-
Step 900
900 (this color)
#56404B
oklch(39.9% 0.035 347.3)
-
Step 950
950
#2F2228
oklch(27% 0.022 349.3)
#56404B 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) | #42444B | 0.036 |
| Deuteranopia (no green cones) | #47474A | 0.033 |
| Tritanopia (no blue cones) | #594044 | 0.013 |
| Achromatopsia (no color) | #464646 | 0.035 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #56404B
#56404B
oklch(39.9% 0.035 347.3)
- #354E44
#354E44
oklch(40% 0.035 167.8)
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 #56404B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.036
- Charcoal Grey #3C4142 ΔE 0.049
- Brownish Purple #76424E ΔE 0.062
- Onyx #343A40 ΔE 0.067
- Dark Slate Gray #2F4F4F ΔE 0.070
- Dark Grey Blue #29465B ΔE 0.071
- Charcoal #264653 ΔE 0.073
- Dusty Grape #545775 ΔE 0.082
Use #56404B 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.