#901727
Closest named color: Carmine (#9D0216). oklch(42.5% 0.154 20.8), rgb(144, 23, 39).
Aa
White text reads best on this color (8.98:1).
About this color
#901727 is a dark, vivid red. In OKLCH its lightness is 43%, its chroma 0.154 and its hue 21°. Its hue sits on the warm side of the wheel. The nearest named color is Carmine (#9D0216), ΔE 0.030 away. White text reads best on it, at 8.98:1.
| Hue family | Reds |
| Lightness | dark (43%) |
| Chroma | vivid (0.154) |
| Temperature | warm |
| Nearest name | Carmine (#9D0216) |
| Black text | 2.33:1 |
| White text | 8.98:1 |
Values
| HEX | #901727 |
| RGB | rgb(144, 23, 39) |
| HSL | hsl(352, 72%, 33%) |
| OKLCH | oklch(42.5% 0.154 20.8) |
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 #901727 | 8.98:1 | AAA | Lc -93.6 | Preferred for body text |
| Black text on #901727 | 2.33:1 | Fails | Lc 15.0 | Not readable |
| #901727 text on white | 8.98:1 | AAA | Lc 89.0 | Fine for body text |
| #901727 text on black | 2.33:1 | Fails | Lc -13.2 | Not readable |
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 800.
-
Step 50
50
#FEF2F2
oklch(97.1% 0.013 17.4)
-
Step 100
100
#FBE3E2
oklch(93.5% 0.026 20.5)
-
Step 200
200
#F9CDCB
oklch(88.6% 0.05 21.2)
-
Step 300
300
#F6AAA8
oklch(81% 0.09 20.9)
-
Step 400
400
#ED7879
oklch(70.7% 0.145 20.9)
-
Step 500
500
#E34E57
oklch(63% 0.184 20.8)
-
Step 600
600
#CE273D
oklch(55.5% 0.2 20.6)
-
Step 700
700
#B2152F
oklch(49.1% 0.186 20.7)
-
Step 800
800 (this color)
#901727
oklch(42.5% 0.154 20.8)
-
Step 900
900
#741D24
oklch(37.6% 0.12 20.9)
-
Step 950
950
#451316
oklch(27.1% 0.077 20.4)
#901727 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) | #3D3927 | 0.171 |
| Deuteranopia (no green cones) | #5B5223 | 0.155 |
| Tritanopia (no blue cones) | #9F001F | 0.031 |
| Achromatopsia (no color) | #494949 | 0.156 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #901727
#901727
oklch(42.5% 0.154 20.8)
- #005A5F
#005A5F
oklch(42.5% 0.072 201.4)
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 #901727, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carmine #9D0216 ΔE 0.030
- Brick Red #8F1402 ΔE 0.030
- Blood Red #980002 ΔE 0.031
- Auburn #9B2226 ΔE 0.031
- Red Wine #8C0034 ΔE 0.034
- Deep Red #9A0200 ΔE 0.034
- Dark Red #8B0000 ΔE 0.036
- Cranberry #9E003A ΔE 0.042
Use #901727 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.