#DF3333
Closest named color: Imperial Red (#E63946). oklch(59.3% 0.208 26.3), rgb(223, 51, 51).
Aa
Black text reads best on this color (4.65:1).
About this color
#DF3333 is a medium-dark, vivid red. In OKLCH its lightness is 59%, its chroma 0.208 and its hue 26°. Its hue sits on the warm side of the wheel. The nearest named color is Imperial Red (#E63946), ΔE 0.025 away. Black text reads best on it, at 4.65:1.
| Hue family | Reds |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.208) |
| Temperature | warm |
| Nearest name | Imperial Red (#E63946) |
| Black text | 4.65:1 |
| White text | 4.50:1 |
Values
| HEX | #DF3333 |
| RGB | rgb(223, 51, 51) |
| HSL | hsl(0, 73%, 54%) |
| OKLCH | oklch(59.3% 0.208 26.3) |
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 #DF3333 | 4.50:1 | AA | Lc -75.2 | Fine for body text |
| Black text on #DF3333 | 4.65:1 | AA | Lc 34.4 | Non-text elements, placeholder text |
| #DF3333 text on white | 4.50:1 | AA | Lc 69.7 | Content text, not long reading |
| #DF3333 text on black | 4.65:1 | AA | Lc -32.0 | Non-text elements, placeholder text |
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
#FEF2F1
oklch(97% 0.013 23.2)
-
Step 100
100
#FCE3E0
oklch(93.5% 0.028 25.9)
-
Step 200
200
#FACDC7
oklch(88.6% 0.052 27)
-
Step 300
300
#F7A9A1
oklch(80.8% 0.093 25.8)
-
Step 400
400
#EF776D
oklch(70.6% 0.15 26.4)
-
Step 500
500
#E64C46
oklch(63% 0.191 26.4)
-
Step 600
600 (this color)
#DF3333
oklch(59.3% 0.208 26.3)
-
Step 700
700
#B50E1A
oklch(49.1% 0.193 26.3)
-
Step 800
800
#931418
oklch(42.7% 0.16 26.3)
-
Step 900
900
#761C1A
oklch(37.7% 0.125 26.5)
-
Step 950
950
#461210
oklch(27% 0.08 26.2)
#DF3333 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) | #695F31 | 0.225 |
| Deuteranopia (no green cones) | #93842C | 0.205 |
| Tritanopia (no blue cones) | #F60036 | 0.048 |
| Achromatopsia (no color) | #777777 | 0.209 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #DF3333
#DF3333
oklch(59.3% 0.208 26.3)
- #008F9C
#008F9C
oklch(59.4% 0.102 206.1)
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 #DF3333, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Imperial Red #E63946 ΔE 0.025
- Red Pantone #EF233C ΔE 0.034
- Tomato Red #EC2D01 ΔE 0.034
- Crimson #DC143C ΔE 0.035
- Faded Red #D3494E ΔE 0.038
- Vermillion #F4320C ΔE 0.047
- Cherry Red #F7022A ΔE 0.047
- Pale Red #D9544D ΔE 0.048
Use #DF3333 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.