#C43A4E
Closest named color: Dull Red (#BB3F3F). oklch(55.7% 0.174 16.7), rgb(196, 58, 78).
Aa
White text reads best on this color (5.16:1).
About this color
#C43A4E is a medium-dark, vivid red. In OKLCH its lightness is 56%, its chroma 0.174 and its hue 17°. Its hue sits on the warm side of the wheel. The nearest named color is Dull Red (#BB3F3F), ΔE 0.028 away. White text reads best on it, at 5.16:1.
| Hue family | Reds |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.174) |
| Temperature | warm |
| Nearest name | Dull Red (#BB3F3F) |
| Black text | 4.06:1 |
| White text | 5.16:1 |
Values
| HEX | #C43A4E |
| RGB | rgb(196, 58, 78) |
| HSL | hsl(351, 54%, 50%) |
| OKLCH | oklch(55.7% 0.174 16.7) |
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 #C43A4E | 5.16:1 | AA | Lc -79.9 | Fine for body text |
| Black text on #C43A4E | 4.06:1 | AA large text | Lc 29.6 | Dividers and decoration only |
| #C43A4E text on white | 5.16:1 | AA | Lc 74.5 | Content text, not long reading |
| #C43A4E text on black | 4.06:1 | AA large text | Lc -27.2 | 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
#FCF3F3
oklch(97.1% 0.01 17.3)
-
Step 100
100
#F9E4E4
oklch(93.6% 0.023 17.6)
-
Step 200
200
#F5CECF
oklch(88.5% 0.044 16.3)
-
Step 300
300
#EFADAF
oklch(81% 0.078 16.9)
-
Step 400
400
#E47E85
oklch(70.7% 0.126 16.4)
-
Step 500
500
#D85966
oklch(63% 0.16 16.8)
-
Step 600
600 (this color)
#C43A4E
oklch(55.7% 0.174 16.7)
-
Step 700
700
#A92A3F
oklch(49.1% 0.162 16.6)
-
Step 800
800
#892534
oklch(42.7% 0.134 16.6)
-
Step 900
900
#6E252D
oklch(37.7% 0.104 17.1)
-
Step 950
950
#41171B
oklch(27.1% 0.065 16.8)
#C43A4E 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) | #5E5B4E | 0.192 |
| Deuteranopia (no green cones) | #82784A | 0.176 |
| Tritanopia (no blue cones) | #D71542 | 0.044 |
| Achromatopsia (no color) | #6D6D6D | 0.175 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C43A4E
#C43A4E
oklch(55.7% 0.174 16.7)
- #008486
#008486
oklch(55.6% 0.095 196.7)
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 #C43A4E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Red #BB3F3F ΔE 0.028
- Dusty Red #B9484E ΔE 0.029
- Dark Rose #B5485D ΔE 0.035
- Deep Rose #C74767 ΔE 0.036
- Dark Pink #CB416B ΔE 0.042
- Lipstick #D5174E ΔE 0.043
- Faded Red #D3494E ΔE 0.044
- Ruby #CA0147 ΔE 0.047
Use #C43A4E 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.