#DF4539
Closest named color: Imperial Red (#E63946). oklch(61% 0.193 28.5), rgb(223, 69, 57).
Aa
Black text reads best on this color (5.04:1).
About this color
#DF4539 is a medium-dark, vivid red. In OKLCH its lightness is 61%, its chroma 0.193 and its hue 29°. Its hue sits on the warm side of the wheel. The nearest named color is Imperial Red (#E63946), ΔE 0.027 away. Black text reads best on it, at 5.04:1.
| Hue family | Reds |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.193) |
| Temperature | warm |
| Nearest name | Imperial Red (#E63946) |
| Black text | 5.04:1 |
| White text | 4.16:1 |
Values
| HEX | #DF4539 |
| RGB | rgb(223, 69, 57) |
| HSL | hsl(4, 72%, 55%) |
| OKLCH | oklch(61% 0.193 28.5) |
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 #DF4539 | 4.16:1 | AA large text | Lc -72.9 | Content text, not long reading |
| Black text on #DF4539 | 5.04:1 | AA | Lc 36.6 | Non-text elements, placeholder text |
| #DF4539 text on white | 4.16:1 | AA large text | Lc 67.4 | Content text, not long reading |
| #DF4539 text on black | 5.04:1 | AA | Lc -34.2 | 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
#FEF2F1
oklch(97% 0.013 23.2)
-
Step 100
100
#FCE4E0
oklch(93.7% 0.027 28.9)
-
Step 200
200
#FACDC6
oklch(88.5% 0.052 28.5)
-
Step 300
300
#F8AA9E
oklch(81% 0.094 29)
-
Step 400
400
#F07869
oklch(70.8% 0.151 28.7)
-
Step 500
500 (this color)
#DF4539
oklch(61% 0.193 28.5)
-
Step 600
600
#D2221D
oklch(55.6% 0.209 28.4)
-
Step 700
700
#B50E0E
oklch(49% 0.194 28.5)
-
Step 800
800
#931410
oklch(42.6% 0.161 28.6)
-
Step 900
900
#761C16
oklch(37.7% 0.125 28.5)
-
Step 950
950
#46130E
oklch(27.1% 0.079 28.9)
#DF4539 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) | #716736 | 0.205 |
| Deuteranopia (no green cones) | #988933 | 0.188 |
| Tritanopia (no blue cones) | #F50C44 | 0.062 |
| Achromatopsia (no color) | #7C7C7C | 0.194 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #DF4539
#DF4539
oklch(61% 0.193 28.5)
- #0094A4
#0094A4
oklch(61% 0.105 208.2)
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 #DF4539, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Imperial Red #E63946 ΔE 0.027
- Pale Red #D9544D ΔE 0.027
- Faded Red #D3494E ΔE 0.031
- Dark Coral #CF524E ΔE 0.036
- Pastel Red #DB5856 ΔE 0.037
- Tomato Red #EC2D01 ΔE 0.038
- Deep Orange #DC4D01 ΔE 0.039
- Vermillion #F4320C ΔE 0.044
Use #DF4539 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.