#900658
Closest named color: Mulberry (#920A4E). oklch(43.1% 0.174 353), rgb(144, 6, 88).
Aa
White text reads best on this color (8.92:1).
About this color
#900658 is a dark, vivid red. In OKLCH its lightness is 43%, its chroma 0.174 and its hue 353°. Its hue sits on the warm side of the wheel. The nearest named color is Mulberry (#920A4E), ΔE 0.019 away. White text reads best on it, at 8.92:1.
| Hue family | Reds |
| Lightness | dark (43%) |
| Chroma | vivid (0.174) |
| Temperature | warm |
| Nearest name | Mulberry (#920A4E) |
| Black text | 2.35:1 |
| White text | 8.92:1 |
Values
| HEX | #900658 |
| RGB | rgb(144, 6, 88) |
| HSL | hsl(324, 92%, 29%) |
| OKLCH | oklch(43.1% 0.174 353) |
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 #900658 | 8.92:1 | AAA | Lc -93.1 | Preferred for body text |
| Black text on #900658 | 2.35:1 | Fails | Lc 15.6 | Dividers and decoration only |
| #900658 text on white | 8.92:1 | AAA | Lc 88.4 | Fine for body text |
| #900658 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
#F5A5C6
oklch(80.9% 0.103 353.2)
-
Step 400
400
#EB71A9
oklch(70.8% 0.162 353.2)
-
Step 500
500
#E14294
oklch(63.2% 0.208 353.2)
-
Step 600
600
#CC097E
oklch(55.6% 0.226 353.2)
-
Step 700
700
#AD006A
oklch(49% 0.202 353.1)
-
Step 800
800 (this color)
#900658
oklch(43.1% 0.174 353)
-
Step 900
900
#731548
oklch(37.8% 0.136 352.9)
-
Step 950
950
#440F2A
oklch(27% 0.086 353.1)
#900658 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) | #2B3B5A | 0.199 |
| Deuteranopia (no green cones) | #515255 | 0.174 |
| Tritanopia (no blue cones) | #9C0032 | 0.067 |
| Achromatopsia (no color) | #4A4A4A | 0.175 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #900658
#900658
oklch(43.1% 0.174 353)
- #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 #900658, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mulberry #920A4E ΔE 0.019
- Dark Fuchsia #9D0759 ΔE 0.029
- Berry #990F4B ΔE 0.034
- Deep Magenta #A0025C ΔE 0.034
- Purple Red #990147 ΔE 0.035
- Red Violet #9E0168 ΔE 0.038
- Red Purple #820747 ΔE 0.040
- Violet Red #A50055 ΔE 0.046
Use #900658 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.