#C33745
Closest named color: Dull Red (#BB3F3F). oklch(55% 0.176 19.8), rgb(195, 55, 69).
Aa
White text reads best on this color (5.31:1).
About this color
#C33745 is a medium-dark, vivid red. In OKLCH its lightness is 55%, its chroma 0.176 and its hue 20°. Its hue sits on the warm side of the wheel. The nearest named color is Dull Red (#BB3F3F), ΔE 0.021 away. White text reads best on it, at 5.31:1.
| Hue family | Reds |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.176) |
| Temperature | warm |
| Nearest name | Dull Red (#BB3F3F) |
| Black text | 3.95:1 |
| White text | 5.31:1 |
Values
| HEX | #C33745 |
| RGB | rgb(195, 55, 69) |
| HSL | hsl(354, 56%, 49%) |
| OKLCH | oklch(55% 0.176 19.8) |
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 #C33745 | 5.31:1 | AA | Lc -80.6 | Fine for body text |
| Black text on #C33745 | 3.95:1 | AA large text | Lc 28.9 | Dividers and decoration only |
| #C33745 text on white | 5.31:1 | AA | Lc 75.2 | Fine for body text |
| #C33745 text on black | 3.95:1 | AA large text | Lc -26.5 | 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
#FDF3F2
oklch(97.2% 0.011 24.3)
-
Step 100
100
#F9E4E4
oklch(93.6% 0.023 17.6)
-
Step 200
200
#F5CECD
oklch(88.4% 0.044 19.8)
-
Step 300
300
#F0ADAC
oklch(81% 0.079 19.9)
-
Step 400
400
#E57E80
oklch(70.7% 0.127 19.6)
-
Step 500
500
#DA5960
oklch(63.2% 0.162 19.8)
-
Step 600
600 (this color)
#C33745
oklch(55% 0.176 19.8)
-
Step 700
700
#AA2A38
oklch(49.2% 0.163 20)
-
Step 800
800
#8A252F
oklch(42.8% 0.135 19.7)
-
Step 900
900
#6F242A
oklch(37.7% 0.106 19.2)
-
Step 950
950
#411619
oklch(26.9% 0.067 18.6)
#C33745 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) | #5E5844 | 0.192 |
| Deuteranopia (no green cones) | #817641 | 0.177 |
| Tritanopia (no blue cones) | #D6053D | 0.046 |
| Achromatopsia (no color) | #6B6B6B | 0.177 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C33745
#C33745
oklch(55% 0.176 19.8)
- #008287
#008287
oklch(55.1% 0.094 199.5)
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 #C33745, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Red #BB3F3F ΔE 0.021
- Dusty Red #B9484E ΔE 0.030
- Dark Rose #B5485D ΔE 0.041
- Cherry #CF0234 ΔE 0.042
- Ruby #CA0147 ΔE 0.046
- Lipstick #D5174E ΔE 0.046
- Deep Rose #C74767 ΔE 0.047
- Faded Red #D3494E ΔE 0.048
Use #C33745 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.