#900757
Closest named color: Mulberry (#920A4E). oklch(43.1% 0.173 353.6), rgb(144, 7, 87).
Aa
White text reads best on this color (8.92:1).
About this color
#900757 is a dark, vivid red. In OKLCH its lightness is 43%, its chroma 0.173 and its hue 354°. Its hue sits on the warm side of the wheel. The nearest named color is Mulberry (#920A4E), ΔE 0.017 away. White text reads best on it, at 8.92:1.
| Hue family | Reds |
| Lightness | dark (43%) |
| Chroma | vivid (0.173) |
| Temperature | warm |
| Nearest name | Mulberry (#920A4E) |
| Black text | 2.35:1 |
| White text | 8.92:1 |
Values
| HEX | #900757 |
| RGB | rgb(144, 7, 87) |
| HSL | hsl(325, 91%, 30%) |
| OKLCH | oklch(43.1% 0.173 353.6) |
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 #900757 | 8.92:1 | AAA | Lc -93.1 | Preferred for body text |
| Black text on #900757 | 2.35:1 | Fails | Lc 15.5 | Dividers and decoration only |
| #900757 text on white | 8.92:1 | AAA | Lc 88.5 | Fine for body text |
| #900757 text on black | 2.35:1 | Fails | Lc -13.7 | 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
#FDF2F6
oklch(97.1% 0.013 353.1)
-
Step 100
100
#FBE2EB
oklch(93.6% 0.03 353.9)
-
Step 200
200
#F8CADC
oklch(88.4% 0.057 352.9)
-
Step 300
300
#F5A5C5
oklch(80.9% 0.102 354)
-
Step 400
400
#EB71A8
oklch(70.7% 0.161 353.7)
-
Step 500
500
#E14293
oklch(63.1% 0.207 353.5)
-
Step 600
600
#CC0C7D
oklch(55.6% 0.225 353.7)
-
Step 700
700
#AE0069
oklch(49.1% 0.203 353.8)
-
Step 800
800 (this color)
#900757
oklch(43.1% 0.173 353.6)
-
Step 900
900
#731547
oklch(37.7% 0.135 353.6)
-
Step 950
950
#440F2A
oklch(27% 0.086 353.1)
#900757 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) | #2C3B59 | 0.198 |
| Deuteranopia (no green cones) | #515254 | 0.173 |
| Tritanopia (no blue cones) | #9C0032 | 0.065 |
| Achromatopsia (no color) | #4A4A4A | 0.174 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #900757
#900757
oklch(43.1% 0.173 353.6)
- #005E4C
#005E4C
oklch(43% 0.082 173.7)
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 #900757, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mulberry #920A4E ΔE 0.017
- Dark Fuchsia #9D0759 ΔE 0.028
- Berry #990F4B ΔE 0.033
- Purple Red #990147 ΔE 0.034
- Deep Magenta #A0025C ΔE 0.034
- Red Purple #820747 ΔE 0.039
- Red Violet #9E0168 ΔE 0.039
- Violet Red #A50055 ΔE 0.045
Use #900757 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.