#900045
Closest named color: Mulberry (#920A4E). oklch(42.2% 0.17 2.7), rgb(144, 0, 69).
Aa
White text reads best on this color (9.24:1).
About this color
#900045 is a dark, vivid red. In OKLCH its lightness is 42%, its chroma 0.170 and its hue 3°. Its hue sits on the warm side of the wheel. The nearest named color is Mulberry (#920A4E), ΔE 0.015 away. White text reads best on it, at 9.24:1.
| Hue family | Reds |
| Lightness | dark (42%) |
| Chroma | vivid (0.170) |
| Temperature | warm |
| Nearest name | Mulberry (#920A4E) |
| Black text | 2.27:1 |
| White text | 9.24:1 |
Values
| HEX | #900045 |
| RGB | rgb(144, 0, 69) |
| HSL | hsl(331, 100%, 28%) |
| OKLCH | oklch(42.2% 0.17 2.7) |
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 #900045 | 9.24:1 | AAA | Lc -93.6 | Preferred for body text |
| Black text on #900045 | 2.27:1 | Fails | Lc 15.0 | Not readable |
| #900045 text on white | 9.24:1 | AAA | Lc 89.0 | Fine for body text |
| #900045 text on black | 2.27:1 | 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
#FEF2F4
oklch(97.1% 0.013 5.8)
-
Step 100
100
#FCE2E8
oklch(93.6% 0.03 2)
-
Step 200
200
#FACBD6
oklch(88.6% 0.055 2.6)
-
Step 300
300
#F7A6BB
oklch(81% 0.099 2.6)
-
Step 400
400
#EF7198
oklch(70.8% 0.159 2.5)
-
Step 500
500
#E5427E
oklch(63.1% 0.203 2.8)
-
Step 600
600
#D00A68
oklch(55.6% 0.221 2.5)
-
Step 700
700
#B10056
oklch(49% 0.198 2.8)
-
Step 800
800 (this color)
#900045
oklch(42.2% 0.17 2.7)
-
Step 900
900
#75153B
oklch(37.6% 0.132 2.7)
-
Step 950
950
#450F23
oklch(27% 0.084 2.1)
#900045 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) | #313746 | 0.194 |
| Deuteranopia (no green cones) | #545042 | 0.172 |
| Tritanopia (no blue cones) | #9D0026 | 0.056 |
| Achromatopsia (no color) | #474747 | 0.172 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #900045
#900045
oklch(42.2% 0.17 2.7)
- #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 #900045, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mulberry #920A4E ΔE 0.015
- Purple Red #990147 ΔE 0.020
- Berry #990F4B ΔE 0.025
- Red Wine #8C0034 ΔE 0.027
- Red Purple #820747 ΔE 0.031
- Wine #80013F ΔE 0.036
- Cranberry #9E003A ΔE 0.037
- Dark Fuchsia #9D0759 ΔE 0.041
Use #900045 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.