#C03859
Closest named color: Dark Rose (#B5485D). oklch(55% 0.173 10.7), rgb(192, 56, 89).
Aa
White text reads best on this color (5.31:1).
About this color
#C03859 is a medium-dark, vivid red. In OKLCH its lightness is 55%, its chroma 0.173 and its hue 11°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Rose (#B5485D), ΔE 0.030 away. White text reads best on it, at 5.31:1.
| Hue family | Reds |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.173) |
| Temperature | warm |
| Nearest name | Dark Rose (#B5485D) |
| Black text | 3.95:1 |
| White text | 5.31:1 |
Values
| HEX | #C03859 |
| RGB | rgb(192, 56, 89) |
| HSL | hsl(345, 55%, 49%) |
| OKLCH | oklch(55% 0.173 10.7) |
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 #C03859 | 5.31:1 | AA | Lc -80.7 | Fine for body text |
| Black text on #C03859 | 3.95:1 | AA large text | Lc 28.8 | Dividers and decoration only |
| #C03859 text on white | 5.31:1 | AA | Lc 75.3 | Fine for body text |
| #C03859 text on black | 3.95:1 | AA large text | Lc -26.4 | Dividers and decoration only |
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 600.
-
Step 50
50
#FCF3F4
oklch(97.1% 0.01 9.5)
-
Step 100
100
#F8E4E6
oklch(93.5% 0.022 10.6)
-
Step 200
200
#F4CED2
oklch(88.5% 0.043 10.8)
-
Step 300
300
#EEACB4
oklch(80.9% 0.078 10.9)
-
Step 400
400
#E27E8E
oklch(70.7% 0.124 10.5)
-
Step 500
500
#D75972
oklch(63.1% 0.159 10.7)
-
Step 600
600 (this color)
#C03859
oklch(55% 0.173 10.7)
-
Step 700
700
#A72B4A
oklch(49.1% 0.16 10.9)
-
Step 800
800
#88253D
oklch(42.7% 0.134 10.7)
-
Step 900
900
#6D2534
oklch(37.7% 0.103 10.9)
-
Step 950
950
#40171F
oklch(27% 0.064 10.3)
#C03859 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) | #5A5A5A | 0.191 |
| Deuteranopia (no green cones) | #7D7556 | 0.175 |
| Tritanopia (no blue cones) | #D11A45 | 0.043 |
| Achromatopsia (no color) | #6B6B6B | 0.174 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C03859
#C03859
oklch(55% 0.173 10.7)
- #00837F
#00837F
oklch(55.1% 0.095 191)
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 #C03859, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Rose #B5485D ΔE 0.030
- Deep Rose #C74767 ΔE 0.033
- Dark Pink #CB416B ΔE 0.035
- Dusty Red #B9484E ΔE 0.037
- Dull Red #BB3F3F ΔE 0.041
- Ruby #CA0147 ΔE 0.045
- Lipstick #D5174E ΔE 0.046
- Light Burgundy #A8415B ΔE 0.046
Use #C03859 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.