#901443
Closest named color: Purple Red (#990147). oklch(43% 0.159 5.5), rgb(144, 20, 67).
Aa
White text reads best on this color (8.87:1).
About this color
#901443 is a dark, vivid red. In OKLCH its lightness is 43%, its chroma 0.159 and its hue 6°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Red (#990147), ΔE 0.021 away. White text reads best on it, at 8.87:1.
| Hue family | Reds |
| Lightness | dark (43%) |
| Chroma | vivid (0.159) |
| Temperature | warm |
| Nearest name | Purple Red (#990147) |
| Black text | 2.36:1 |
| White text | 8.87:1 |
Values
| HEX | #901443 |
| RGB | rgb(144, 20, 67) |
| HSL | hsl(337, 76%, 32%) |
| OKLCH | oklch(43% 0.159 5.5) |
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 #901443 | 8.87:1 | AAA | Lc -93.3 | Preferred for body text |
| Black text on #901443 | 2.36:1 | Fails | Lc 15.3 | Dividers and decoration only |
| #901443 text on white | 8.87:1 | AAA | Lc 88.7 | Fine for body text |
| #901443 text on black | 2.36:1 | Fails | Lc -13.5 | 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
#FDF2F4
oklch(97% 0.012 4.7)
-
Step 100
100
#FBE3E7
oklch(93.6% 0.027 6.2)
-
Step 200
200
#F8CCD4
oklch(88.5% 0.051 5.9)
-
Step 300
300
#F5A8B8
oklch(81% 0.093 5.7)
-
Step 400
400
#EB7593
oklch(70.6% 0.148 5.5)
-
Step 500
500
#E14A79
oklch(63.1% 0.189 5.4)
-
Step 600
600
#CC2062
oklch(55.5% 0.206 5.3)
-
Step 700
700
#B00C51
oklch(49.1% 0.191 5.4)
-
Step 800
800 (this color)
#901443
oklch(43% 0.159 5.5)
-
Step 900
900
#731B38
oklch(37.7% 0.123 5.6)
-
Step 950
950
#441221
oklch(27.1% 0.078 5.6)
#901443 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) | #373A44 | 0.179 |
| Deuteranopia (no green cones) | #575340 | 0.163 |
| Tritanopia (no blue cones) | #9E002A | 0.044 |
| Achromatopsia (no color) | #4A4A4A | 0.160 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #901443
#901443
oklch(43% 0.159 5.5)
- #005D55
#005D55
oklch(43% 0.076 184.7)
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 #901443, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Red #990147 ΔE 0.021
- Mulberry #920A4E ΔE 0.021
- Berry #990F4B ΔE 0.022
- Red Wine #8C0034 ΔE 0.026
- Cranberry #9E003A ΔE 0.031
- Red Purple #820747 ΔE 0.038
- Wine #80013F ΔE 0.043
- Dark Fuchsia #9D0759 ΔE 0.044
Use #901443 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.