#C03759
Closest named color: Dark Rose (#B5485D). oklch(55% 0.174 10.4), rgb(192, 55, 89).
Aa
White text reads best on this color (5.34:1).
About this color
#C03759 is a medium-dark, vivid red. In OKLCH its lightness is 55%, its chroma 0.174 and its hue 10°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Rose (#B5485D), ΔE 0.032 away. White text reads best on it, at 5.34:1.
| Hue family | Reds |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.174) |
| Temperature | warm |
| Nearest name | Dark Rose (#B5485D) |
| Black text | 3.93:1 |
| White text | 5.34:1 |
Values
| HEX | #C03759 |
| RGB | rgb(192, 55, 89) |
| HSL | hsl(345, 55%, 48%) |
| OKLCH | oklch(55% 0.174 10.4) |
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 #C03759 | 5.34:1 | AA | Lc -80.8 | Fine for body text |
| Black text on #C03759 | 3.93:1 | AA large text | Lc 28.6 | Dividers and decoration only |
| #C03759 text on white | 5.34:1 | AA | Lc 75.4 | Fine for body text |
| #C03759 text on black | 3.93:1 | AA large text | Lc -26.3 | 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
#F9E4E6
oklch(93.6% 0.023 11)
-
Step 200
200
#F4CED2
oklch(88.5% 0.043 10.8)
-
Step 300
300
#EEACB5
oklch(80.9% 0.078 9.9)
-
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)
#C03759
oklch(55% 0.174 10.4)
-
Step 700
700
#A72A4B
oklch(49.1% 0.161 10.2)
-
Step 800
800
#88253D
oklch(42.7% 0.134 10.7)
-
Step 900
900
#6D2434
oklch(37.6% 0.104 10.4)
-
Step 950
950
#40161F
oklch(26.9% 0.066 9.4)
#C03759 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) | #59595A | 0.193 |
| Deuteranopia (no green cones) | #7D7556 | 0.176 |
| Tritanopia (no blue cones) | #D11845 | 0.043 |
| Achromatopsia (no color) | #6B6B6B | 0.175 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C03759
#C03759
oklch(55% 0.174 10.4)
- #00837E
#00837E
oklch(55% 0.095 190.1)
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 #C03759, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Rose #B5485D ΔE 0.032
- Deep Rose #C74767 ΔE 0.034
- Dark Pink #CB416B ΔE 0.036
- Dusty Red #B9484E ΔE 0.039
- Dull Red #BB3F3F ΔE 0.042
- Ruby #CA0147 ΔE 0.044
- Lipstick #D5174E ΔE 0.045
- Light Burgundy #A8415B ΔE 0.046
Use #C03759 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.