#DF2B21
Closest named color: Tomato Red (#EC2D01). oklch(58.5% 0.215 29), rgb(223, 43, 33).
Aa
White text reads best on this color (4.66:1).
About this color
#DF2B21 is a medium-dark, vivid red. In OKLCH its lightness is 59%, its chroma 0.215 and its hue 29°. Its hue sits on the warm side of the wheel. The nearest named color is Tomato Red (#EC2D01), ΔE 0.030 away. White text reads best on it, at 4.66:1.
| Hue family | Reds |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.215) |
| Temperature | warm |
| Nearest name | Tomato Red (#EC2D01) |
| Black text | 4.50:1 |
| White text | 4.66:1 |
Values
| HEX | #DF2B21 |
| RGB | rgb(223, 43, 33) |
| HSL | hsl(3, 75%, 50%) |
| OKLCH | oklch(58.5% 0.215 29) |
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 #DF2B21 | 4.66:1 | AA | Lc -76.0 | Fine for body text |
| Black text on #DF2B21 | 4.50:1 | AA | Lc 33.6 | Non-text elements, placeholder text |
| #DF2B21 text on white | 4.66:1 | AA | Lc 70.5 | Content text, not long reading |
| #DF2B21 text on black | 4.50:1 | AA | Lc -31.1 | 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
#FEF2F0
oklch(97% 0.013 28.9)
-
Step 100
100
#FCE3DF
oklch(93.5% 0.028 28.5)
-
Step 200
200
#FBCDC5
oklch(88.6% 0.054 29.6)
-
Step 300
300
#F9A99D
oklch(80.9% 0.097 28.8)
-
Step 400
400
#F27666
oklch(70.7% 0.156 29.1)
-
Step 500
500
#E94A3B
oklch(63.2% 0.198 29.2)
-
Step 600
600 (this color)
#DF2B21
oklch(58.5% 0.215 29)
-
Step 700
700
#B70203
oklch(49% 0.2 29)
-
Step 800
800
#950F0A
oklch(42.7% 0.166 29)
-
Step 900
900
#771A13
oklch(37.6% 0.129 29)
-
Step 950
950
#46120D
oklch(27% 0.081 29)
#DF2B21 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) | #675B1D | 0.232 |
| Deuteranopia (no green cones) | #928214 | 0.211 |
| Tritanopia (no blue cones) | #F6002C | 0.047 |
| Achromatopsia (no color) | #747474 | 0.217 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #DF2B21
#DF2B21
oklch(58.5% 0.215 29)
- #008C9C
#008C9C
oklch(58.6% 0.101 208.9)
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 #DF2B21, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tomato Red #EC2D01 ΔE 0.030
- Crimson #DC143C ΔE 0.037
- Imperial Red #E63946 ΔE 0.037
- Red Pantone #EF233C ΔE 0.040
- Vermillion #F4320C ΔE 0.046
- Cherry Red #F7022A ΔE 0.048
- Faded Red #D3494E ΔE 0.049
- Deep Orange #DC4D01 ΔE 0.053
Use #DF2B21 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.