#5B404D
Closest named color: Purple Brown (#673A3F). oklch(40.6% 0.042 348.7), rgb(91, 64, 77).
Aa
White text reads best on this color (9.18:1).
About this color
#5B404D is a dark, muted red. In OKLCH its lightness is 41%, its chroma 0.042 and its hue 349°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.031 away. White text reads best on it, at 9.18:1.
| Hue family | Reds |
| Lightness | dark (41%) |
| Chroma | muted (0.042) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.28:1 |
| White text | 9.18:1 |
Values
| HEX | #5B404D |
| RGB | rgb(91, 64, 77) |
| HSL | hsl(331, 17%, 30%) |
| OKLCH | oklch(40.6% 0.042 348.7) |
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 #5B404D | 9.18:1 | AAA | Lc -95.5 | Preferred for body text |
| Black text on #5B404D | 2.28:1 | Fails | Lc 12.8 | Not readable |
| #5B404D text on white | 9.18:1 | AAA | Lc 91.1 | Preferred for body text |
| #5B404D text on black | 2.28:1 | 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
#F7F4F6
oklch(97% 0.004 337.4)
-
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
#CEBAC3
oklch(80.8% 0.026 348.7)
-
Step 400
400
#B497A5
oklch(70.7% 0.039 347.5)
-
Step 500
500
#A27D8E
oklch(63.1% 0.051 349.4)
-
Step 600
600
#8C6679
oklch(55.5% 0.056 347.6)
-
Step 700
700
#775565
oklch(49.1% 0.051 349.3)
-
Step 800
800 (this color)
#5B404D
oklch(40.6% 0.042 348.7)
-
Step 900
900
#4F3B44
oklch(37.7% 0.031 350)
-
Step 950
950
#2E2228
oklch(26.8% 0.021 347.1)
#5B404D 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) | #42454E | 0.044 |
| Deuteranopia (no green cones) | #48494C | 0.042 |
| Tritanopia (no blue cones) | #5F3F44 | 0.016 |
| Achromatopsia (no color) | #484848 | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B404D
#5B404D
oklch(40.6% 0.042 348.7)
- #315145
#315145
oklch(40.6% 0.043 168.5)
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 #5B404D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.031
- Brownish Purple #76424E ΔE 0.053
- Charcoal Grey #3C4142 ΔE 0.059
- Onyx #343A40 ΔE 0.077
- Dark Slate Gray #2F4F4F ΔE 0.078
- Dark Grey Blue #29465B ΔE 0.079
- Dusty Grape #545775 ΔE 0.079
- Charcoal #264653 ΔE 0.082
Use #5B404D 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.