#5B404F
Closest named color: Purple Brown (#673A3F). oklch(40.7% 0.044 344.8), rgb(91, 64, 79).
Aa
White text reads best on this color (9.16:1).
About this color
#5B404F is a dark, muted purple. In OKLCH its lightness is 41%, its chroma 0.044 and its hue 345°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.033 away. White text reads best on it, at 9.16:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | muted (0.044) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.29:1 |
| White text | 9.16:1 |
Values
| HEX | #5B404F |
| RGB | rgb(91, 64, 79) |
| HSL | hsl(327, 17%, 30%) |
| OKLCH | oklch(40.7% 0.044 344.8) |
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 #5B404F | 9.16:1 | AAA | Lc -95.4 | Preferred for body text |
| Black text on #5B404F | 2.29:1 | Fails | Lc 12.9 | Not readable |
| #5B404F text on white | 9.16:1 | AAA | Lc 91.1 | Preferred for body text |
| #5B404F text on black | 2.29:1 | Fails | Lc -11.3 | 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 800.
-
Step 50
50
#F7F4F6
oklch(97% 0.004 337.4)
-
Step 100
100
#EEE8EB
oklch(93.7% 0.008 345.4)
-
Step 200
200
#E1D6DB
oklch(88.6% 0.014 348)
-
Step 300
300
#CEBAC4
oklch(80.9% 0.026 346)
-
Step 400
400
#B497A6
oklch(70.7% 0.04 345.7)
-
Step 500
500
#A17D91
oklch(63.1% 0.052 344.3)
-
Step 600
600
#8C667B
oklch(55.6% 0.057 344.8)
-
Step 700
700
#775568
oklch(49.2% 0.053 344.6)
-
Step 800
800 (this color)
#5B404F
oklch(40.7% 0.044 344.8)
-
Step 900
900
#4F3A46
oklch(37.6% 0.035 343.7)
-
Step 950
950
#2E2229
oklch(26.9% 0.022 342.8)
#5B404F 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) | #424550 | 0.044 |
| Deuteranopia (no green cones) | #48494E | 0.041 |
| Tritanopia (no blue cones) | #5F4045 | 0.018 |
| Achromatopsia (no color) | #484848 | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B404F
#5B404F
oklch(40.7% 0.044 344.8)
- #325143
#325143
oklch(40.6% 0.044 164.2)
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 #5B404F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.033
- Brownish Purple #76424E ΔE 0.053
- Charcoal Grey #3C4142 ΔE 0.061
- Dusty Grape #545775 ΔE 0.078
- Onyx #343A40 ΔE 0.078
- Dark Grey Blue #29465B ΔE 0.078
- Dark Slate Gray #2F4F4F ΔE 0.079
- Charcoal #264653 ΔE 0.082
Use #5B404F 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.