#553D4E
Closest named color: Purple Brown (#673A3F). oklch(39.3% 0.043 337.4), rgb(85, 61, 78).
Aa
White text reads best on this color (9.70:1).
About this color
#553D4E is a dark, muted purple. In OKLCH its lightness is 39%, its chroma 0.043 and its hue 337°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.040 away. White text reads best on it, at 9.70:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | muted (0.043) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.16:1 |
| White text | 9.70:1 |
Values
| HEX | #553D4E |
| RGB | rgb(85, 61, 78) |
| HSL | hsl(317, 16%, 29%) |
| OKLCH | oklch(39.3% 0.043 337.4) |
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 #553D4E | 9.70:1 | AAA | Lc -96.7 | Preferred for body text |
| Black text on #553D4E | 2.16:1 | Fails | Lc 11.5 | Not readable |
| #553D4E text on white | 9.70:1 | AAA | Lc 92.5 | Preferred for body text |
| #553D4E text on black | 2.16:1 | Fails | Lc -10.0 | 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
#EEE8EC
oklch(93.7% 0.008 337.4)
-
Step 200
200
#E1D5DD
oklch(88.5% 0.017 337.6)
-
Step 300
300
#CFB9C8
oklch(80.9% 0.032 337.4)
-
Step 400
400
#B695AC
oklch(70.7% 0.05 337.3)
-
Step 500
500
#A47A98
oklch(63% 0.067 337.1)
-
Step 600
600
#8F6382
oklch(55.6% 0.071 337.9)
-
Step 700
700
#79526E
oklch(49.1% 0.066 337.4)
-
Step 800
800
#63435A
oklch(42.7% 0.056 337.3)
-
Step 900
900 (this color)
#553D4E
oklch(39.3% 0.043 337.4)
-
Step 950
950
#2F212B
oklch(26.9% 0.027 337.1)
#553D4E 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) | #3D424F | 0.043 |
| Deuteranopia (no green cones) | #43464D | 0.040 |
| Tritanopia (no blue cones) | #583E43 | 0.021 |
| Achromatopsia (no color) | #444444 | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #553D4E
#553D4E
oklch(39.3% 0.043 337.4)
- #324D3D
#324D3D
oklch(39.3% 0.043 157.7)
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 #553D4E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.040
- Charcoal Grey #3C4142 ΔE 0.052
- Onyx #343A40 ΔE 0.065
- Brownish Purple #76424E ΔE 0.067
- Dark Grey Blue #29465B ΔE 0.070
- Charcoal #264653 ΔE 0.073
- Dark Slate Gray #2F4F4F ΔE 0.077
- Dusty Grape #545775 ΔE 0.086
Use #553D4E 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.