#900347
Closest named color: Mulberry (#920A4E). oklch(42.3% 0.169 1.8), rgb(144, 3, 71).
Aa
White text reads best on this color (9.17:1).
About this color
#900347 is a dark, vivid red. In OKLCH its lightness is 42%, its chroma 0.169 and its hue 2°. Its hue sits on the warm side of the wheel. The nearest named color is Mulberry (#920A4E), ΔE 0.012 away. White text reads best on it, at 9.17:1.
| Hue family | Reds |
| Lightness | dark (42%) |
| Chroma | vivid (0.169) |
| Temperature | warm |
| Nearest name | Mulberry (#920A4E) |
| Black text | 2.28:1 |
| White text | 9.17:1 |
Values
| HEX | #900347 |
| RGB | rgb(144, 3, 71) |
| HSL | hsl(331, 96%, 29%) |
| OKLCH | oklch(42.3% 0.169 1.8) |
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 #900347 | 9.17:1 | AAA | Lc -93.5 | Preferred for body text |
| Black text on #900347 | 2.28:1 | Fails | Lc 15.0 | Dividers and decoration only |
| #900347 text on white | 9.17:1 | AAA | Lc 89.0 | Fine for body text |
| #900347 text on black | 2.28:1 | Fails | Lc -13.3 | 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
#FEF2F5
oklch(97.1% 0.013 0.3)
-
Step 100
100
#FCE2E8
oklch(93.6% 0.03 2)
-
Step 200
200
#FACBD6
oklch(88.6% 0.055 2.6)
-
Step 300
300
#F7A6BC
oklch(81% 0.099 1.8)
-
Step 400
400
#EE7199
oklch(70.7% 0.159 1.8)
-
Step 500
500
#E44380
oklch(63.1% 0.202 1.9)
-
Step 600
600
#CF0D6A
oklch(55.5% 0.22 1.6)
-
Step 700
700
#B10058
oklch(49.1% 0.198 2)
-
Step 800
800 (this color)
#900347
oklch(42.3% 0.169 1.8)
-
Step 900
900
#75163C
oklch(37.8% 0.132 2.2)
-
Step 950
950
#450F23
oklch(27% 0.084 2.1)
#900347 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) | #313848 | 0.193 |
| Deuteranopia (no green cones) | #545144 | 0.172 |
| Tritanopia (no blue cones) | #9D0028 | 0.055 |
| Achromatopsia (no color) | #484848 | 0.170 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #900347
#900347
oklch(42.3% 0.169 1.8)
- #005B51
#005B51
oklch(42.3% 0.076 182.1)
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 #900347, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mulberry #920A4E ΔE 0.012
- Purple Red #990147 ΔE 0.020
- Berry #990F4B ΔE 0.024
- Red Wine #8C0034 ΔE 0.030
- Red Purple #820747 ΔE 0.031
- Wine #80013F ΔE 0.037
- Cranberry #9E003A ΔE 0.038
- Dark Fuchsia #9D0759 ΔE 0.039
Use #900347 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.