#DF3724
Closest named color: Tomato Red (#EC2D01). oklch(59.5% 0.207 30.4), rgb(223, 55, 36).
Aa
Black text reads best on this color (4.70:1).
About this color
#DF3724 is a medium-dark, vivid red. In OKLCH its lightness is 59%, its chroma 0.207 and its hue 30°. Its hue sits on the warm side of the wheel. The nearest named color is Tomato Red (#EC2D01), ΔE 0.026 away. Black text reads best on it, at 4.70:1.
| Hue family | Reds |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.207) |
| Temperature | warm |
| Nearest name | Tomato Red (#EC2D01) |
| Black text | 4.70:1 |
| White text | 4.45:1 |
Values
| HEX | #DF3724 |
| RGB | rgb(223, 55, 36) |
| HSL | hsl(6, 75%, 51%) |
| OKLCH | oklch(59.5% 0.207 30.4) |
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 #DF3724 | 4.45:1 | AA large text | Lc -74.9 | Content text, not long reading |
| Black text on #DF3724 | 4.70:1 | AA | Lc 34.7 | Non-text elements, placeholder text |
| #DF3724 text on white | 4.45:1 | AA large text | Lc 69.4 | Content text, not long reading |
| #DF3724 text on black | 4.70:1 | AA | Lc -32.3 | 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 500.
-
Step 50
50
#FEF2F0
oklch(97% 0.013 28.9)
-
Step 100
100
#FDE3DE
oklch(93.6% 0.03 30.6)
-
Step 200
200
#FCCCC3
oklch(88.5% 0.056 30.5)
-
Step 300
300
#FBA899
oklch(80.9% 0.101 30.7)
-
Step 400
400
#F57460
oklch(70.8% 0.163 30.6)
-
Step 500
500 (this color)
#DF3724
oklch(59.5% 0.207 30.4)
-
Step 600
600
#D61600
oklch(55.6% 0.22 30.4)
-
Step 700
700
#B51100
oklch(49.1% 0.194 30.5)
-
Step 800
800
#960C00
oklch(42.7% 0.169 30.4)
-
Step 900
900
#79160C
oklch(37.6% 0.135 30.2)
-
Step 950
950
#481009
oklch(27.1% 0.086 30.5)
#DF3724 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) | #6C601F | 0.220 |
| Deuteranopia (no green cones) | #958519 | 0.201 |
| Tritanopia (no blue cones) | #F60035 | 0.054 |
| Achromatopsia (no color) | #777777 | 0.209 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #DF3724
#DF3724
oklch(59.5% 0.207 30.4)
- #008FA1
#008FA1
oklch(59.6% 0.103 210.3)
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 #DF3724, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tomato Red #EC2D01 ΔE 0.026
- Imperial Red #E63946 ΔE 0.035
- Deep Orange #DC4D01 ΔE 0.041
- Vermillion #F4320C ΔE 0.041
- Red Pantone #EF233C ΔE 0.042
- Faded Red #D3494E ΔE 0.044
- Crimson #DC143C ΔE 0.048
- Pale Red #D9544D ΔE 0.048
Use #DF3724 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.