#991664
Closest named color: Red Violet (#9E0168). oklch(45.9% 0.176 350.7), rgb(153, 22, 100).
Aa
White text reads best on this color (7.91:1).
About this color
#991664 is a medium-dark, vivid red. In OKLCH its lightness is 46%, its chroma 0.176 and its hue 351°. Its hue sits on the warm side of the wheel. The nearest named color is Red Violet (#9E0168), ΔE 0.017 away. White text reads best on it, at 7.91:1.
| Hue family | Reds |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.176) |
| Temperature | warm |
| Nearest name | Red Violet (#9E0168) |
| Black text | 2.65:1 |
| White text | 7.91:1 |
Values
| HEX | #991664 |
| RGB | rgb(153, 22, 100) |
| HSL | hsl(324, 75%, 34%) |
| OKLCH | oklch(45.9% 0.176 350.7) |
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 #991664 | 7.91:1 | AAA | Lc -90.7 | Preferred for body text |
| Black text on #991664 | 2.65:1 | Fails | Lc 18.2 | Dividers and decoration only |
| #991664 text on white | 7.91:1 | AAA | Lc 85.8 | Fine for body text |
| #991664 text on black | 2.65:1 | Fails | Lc -16.2 | Dividers and decoration only |
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 700.
-
Step 50
50
#FCF2F6
oklch(97% 0.012 351)
-
Step 100
100
#F8E3EC
oklch(93.5% 0.026 349.8)
-
Step 200
200
#F3CDDD
oklch(88.5% 0.047 350.9)
-
Step 300
300
#ECAAC8
oklch(80.9% 0.086 350.3)
-
Step 400
400
#DF7BAB
oklch(70.7% 0.135 351)
-
Step 500
500
#D35497
oklch(63% 0.174 350.5)
-
Step 600
600
#BE3381
oklch(55.5% 0.189 350.7)
-
Step 700
700 (this color)
#991664
oklch(45.9% 0.176 350.7)
-
Step 800
800
#852159
oklch(42.7% 0.145 350.7)
-
Step 900
900
#6B2249
oklch(37.7% 0.113 350.8)
-
Step 950
950
#3F152B
oklch(27% 0.072 350.4)
#991664 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) | #314366 | 0.200 |
| Deuteranopia (no green cones) | #575961 | 0.174 |
| Tritanopia (no blue cones) | #A5043C | 0.067 |
| Achromatopsia (no color) | #515151 | 0.178 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #991664
#991664
oklch(45.9% 0.176 350.7)
- #006851
#006851
oklch(46% 0.09 170.7)
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 #991664, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Violet #9E0168 ΔE 0.017
- Dark Fuchsia #9D0759 ΔE 0.020
- Deep Magenta #A0025C ΔE 0.020
- Violet Red #A50055 ΔE 0.034
- Mulberry #920A4E ΔE 0.038
- Berry #990F4B ΔE 0.040
- Purple Red #990147 ΔE 0.045
- Raspberry #B00149 ΔE 0.065
Use #991664 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.