#CF1704
Closest named color: Cherry (#CF0234). oklch(54.3% 0.214 30.3), rgb(207, 23, 4).
Aa
White text reads best on this color (5.55:1).
About this color
#CF1704 is a medium-dark, vivid red. In OKLCH its lightness is 54%, its chroma 0.214 and its hue 30°. Its hue sits on the warm side of the wheel. The nearest named color is Cherry (#CF0234), ΔE 0.037 away. White text reads best on it, at 5.55:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.214) |
| Temperature | warm |
| Nearest name | Cherry (#CF0234) |
| Black text | 3.77:1 |
| White text | 5.55:1 |
Values
| HEX | #CF1704 |
| RGB | rgb(207, 23, 4) |
| HSL | hsl(6, 96%, 41%) |
| OKLCH | oklch(54.3% 0.214 30.3) |
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 #CF1704 | 5.55:1 | AA | Lc -80.9 | Fine for body text |
| Black text on #CF1704 | 3.77:1 | AA large text | Lc 28.6 | Dividers and decoration only |
| #CF1704 text on white | 5.55:1 | AA | Lc 75.5 | Fine for body text |
| #CF1704 text on black | 3.77:1 | AA large text | Lc -26.2 | 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
#FEF2F0
oklch(97% 0.013 28.9)
-
Step 100
100
#FCE4DF
oklch(93.7% 0.027 31.7)
-
Step 200
200
#FBCDC4
oklch(88.6% 0.054 31)
-
Step 300
300
#F8A99C
oklch(80.8% 0.096 29.6)
-
Step 400
400
#F17764
oklch(70.7% 0.154 30.5)
-
Step 500
500
#E84B38
oklch(63.1% 0.197 30.3)
-
Step 600
600 (this color)
#CF1704
oklch(54.3% 0.214 30.3)
-
Step 700
700
#B60F00
oklch(49.2% 0.196 30.3)
-
Step 800
800
#941205
oklch(42.6% 0.164 30.4)
-
Step 900
900
#771B11
oklch(37.7% 0.128 30.2)
-
Step 950
950
#46120C
oklch(27% 0.081 29.8)
#CF1704 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) | #5B4F00 | 0.231 |
| Deuteranopia (no green cones) | #857600 | 0.207 |
| Tritanopia (no blue cones) | #E50018 | 0.045 |
| Achromatopsia (no color) | #686868 | 0.215 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CF1704
#CF1704
oklch(54.3% 0.214 30.3)
- #007E8E
#007E8E
oklch(54.4% 0.094 210.2)
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 #CF1704, closest first.
No curated palette has a color within ΔE 0.04 of #CF1704.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cherry #CF0234 ΔE 0.037
- Scarlet #BE0119 ΔE 0.043
- Crimson #DC143C ΔE 0.048
- Lipstick Red #C0022F ΔE 0.049
- Sinopia #BB3E03 ΔE 0.053
- Dull Red #BB3F3F ΔE 0.057
- Firebrick #B22222 ΔE 0.059
- Ruby #CA0147 ΔE 0.063
Use #CF1704 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.