#5B404B
Closest named color: Purple Brown (#673A3F). oklch(40.5% 0.041 352.9), rgb(91, 64, 75).
Aa
White text reads best on this color (9.21:1).
About this color
#5B404B is a dark, muted red. In OKLCH its lightness is 41%, its chroma 0.041 and its hue 353°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.029 away. White text reads best on it, at 9.21:1.
| Hue family | Reds |
| Lightness | dark (41%) |
| Chroma | muted (0.041) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.27:1 |
| White text | 9.21:1 |
Values
| HEX | #5B404B |
| RGB | rgb(91, 64, 75) |
| HSL | hsl(336, 17%, 30%) |
| OKLCH | oklch(40.5% 0.041 352.9) |
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 #5B404B | 9.21:1 | AAA | Lc -95.5 | Preferred for body text |
| Black text on #5B404B | 2.27:1 | Fails | Lc 12.8 | Not readable |
| #5B404B text on white | 9.21:1 | AAA | Lc 91.2 | Preferred for body text |
| #5B404B text on black | 2.27:1 | Fails | Lc -11.2 | 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 800.
-
Step 50
50
#F7F4F5
oklch(97% 0.003 354.7)
-
Step 100
100
#EEE8EA
oklch(93.6% 0.007 354.8)
-
Step 200
200
#E1D6DA
oklch(88.6% 0.013 353.2)
-
Step 300
300
#CEBBC2
oklch(81% 0.023 353.3)
-
Step 400
400
#B597A3
oklch(70.7% 0.039 352.1)
-
Step 500
500
#A27E8C
oklch(63.2% 0.048 353.3)
-
Step 600
600
#8D6776
oklch(55.7% 0.053 353.5)
-
Step 700
700
#775563
oklch(49% 0.049 352.6)
-
Step 800
800 (this color)
#5B404B
oklch(40.5% 0.041 352.9)
-
Step 900
900
#4F3B43
oklch(37.7% 0.031 352.8)
-
Step 950
950
#2F2227
oklch(26.9% 0.022 353.7)
#5B404B 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) | #43454B | 0.043 |
| Deuteranopia (no green cones) | #49494A | 0.040 |
| Tritanopia (no blue cones) | #5F3F44 | 0.013 |
| Achromatopsia (no color) | #484848 | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B404B
#5B404B
oklch(40.5% 0.041 352.9)
- #315147
#315147
oklch(40.7% 0.042 172.4)
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 #5B404B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.029
- Brownish Purple #76424E ΔE 0.053
- Charcoal Grey #3C4142 ΔE 0.058
- Onyx #343A40 ΔE 0.076
- Dark Slate Gray #2F4F4F ΔE 0.077
- Dark Grey Blue #29465B ΔE 0.079
- Dusty Grape #545775 ΔE 0.081
- Charcoal #264653 ΔE 0.081
Use #5B404B 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.