#603333
Closest named color: Purple Brown (#673A3F). oklch(37.8% 0.065 20.6), rgb(96, 51, 51).
Aa
White text reads best on this color (10.40:1).
About this color
#603333 is a dark, muted red. In OKLCH its lightness is 38%, its chroma 0.065 and its hue 21°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.028 away. White text reads best on it, at 10.40:1.
| Hue family | Reds |
| Lightness | dark (38%) |
| Chroma | muted (0.065) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.01:1 |
| White text | 10.40:1 |
Values
| HEX | #603333 |
| RGB | rgb(96, 51, 51) |
| HSL | hsl(0, 31%, 29%) |
| OKLCH | oklch(37.8% 0.065 20.6) |
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 #603333 | 10.40:1 | AAA | Lc -97.9 | Preferred for body text |
| Black text on #603333 | 2.01:1 | Fails | Lc 10.0 | Not readable |
| #603333 text on white | 10.40:1 | AAA | Lc 93.9 | Preferred for body text |
| #603333 text on black | 2.01:1 | Fails | Lc -8.6 | 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
#FAF4F3
oklch(97.2% 0.007 28.8)
-
Step 100
100
#F3E6E6
oklch(93.5% 0.014 17.4)
-
Step 200
200
#EBD3D1
oklch(88.6% 0.027 23.4)
-
Step 300
300
#DFB5B3
oklch(81% 0.049 21.4)
-
Step 400
400
#CD8D8C
oklch(70.7% 0.078 20.2)
-
Step 500
500
#BE7070
oklch(63.1% 0.099 20.2)
-
Step 600
600
#AA5758
oklch(55.7% 0.109 20.4)
-
Step 700
700
#914748
oklch(49.1% 0.1 20.6)
-
Step 800
800
#763B3B
oklch(42.8% 0.083 21.1)
-
Step 900
900 (this color)
#603333
oklch(37.8% 0.065 20.6)
-
Step 950
950
#381E1E
oklch(27% 0.041 20.1)
#603333 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) | #3C3A33 | 0.070 |
| Deuteranopia (no green cones) | #484332 | 0.063 |
| Tritanopia (no blue cones) | #682D33 | 0.021 |
| Achromatopsia (no color) | #404040 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #603333
#603333
oklch(37.8% 0.065 20.6)
- #004C50
#004C50
oklch(37.9% 0.064 200.9)
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 #603333, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.028
- Chestnut #742802 ΔE 0.060
- Brownish Purple #76424E ΔE 0.070
- Charcoal Grey #3C4142 ΔE 0.072
- Reddy Brown #6E1005 ΔE 0.072
- Mud Brown #60460F ΔE 0.080
- Onyx #343A40 ΔE 0.082
- Wine Red #7B0323 ΔE 0.082
Use #603333 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.