#AB2178
Closest named color: Red Violet (#9E0168). oklch(50.6% 0.189 347.7), rgb(171, 33, 120).
Aa
White text reads best on this color (6.52:1).
About this color
#AB2178 is a medium-dark, vivid red. In OKLCH its lightness is 51%, its chroma 0.189 and its hue 348°. Its hue sits on the warm side of the wheel. The nearest named color is Red Violet (#9E0168), ΔE 0.045 away. White text reads best on it, at 6.52:1.
| Hue family | Reds |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.189) |
| Temperature | warm |
| Nearest name | Red Violet (#9E0168) |
| Black text | 3.22:1 |
| White text | 6.52:1 |
Values
| HEX | #AB2178 |
| RGB | rgb(171, 33, 120) |
| HSL | hsl(322, 68%, 40%) |
| OKLCH | oklch(50.6% 0.189 347.7) |
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 #AB2178 | 6.52:1 | AA | Lc -86.0 | Fine for body text |
| Black text on #AB2178 | 3.22:1 | AA large text | Lc 23.2 | Dividers and decoration only |
| #AB2178 text on white | 6.52:1 | AA | Lc 80.9 | Fine for body text |
| #AB2178 text on black | 3.22:1 | AA large text | Lc -21.0 | 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
#FCF2F7
oklch(97% 0.013 345.5)
-
Step 100
100
#F8E3ED
oklch(93.6% 0.026 347.1)
-
Step 200
200
#F4CCDF
oklch(88.5% 0.051 347.9)
-
Step 300
300
#EDA9CB
oklch(80.9% 0.09 347.9)
-
Step 400
400
#E178B1
oklch(70.7% 0.146 347.7)
-
Step 500
500
#D64F9E
oklch(63.2% 0.188 347.7)
-
Step 600
600
#C12B88
oklch(55.6% 0.203 348)
-
Step 700
700 (this color)
#AB2178
oklch(50.6% 0.189 347.7)
-
Step 800
800
#871A5E
oklch(42.7% 0.157 347.9)
-
Step 900
900
#6D1E4D
oklch(37.7% 0.123 347.9)
-
Step 950
950
#40132D
oklch(27% 0.078 347.8)
#AB2178 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) | #384F7A | 0.213 |
| Deuteranopia (no green cones) | #616675 | 0.186 |
| Tritanopia (no blue cones) | #B8194B | 0.076 |
| Achromatopsia (no color) | #5E5E5E | 0.191 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AB2178
#AB2178
oklch(50.6% 0.189 347.7)
- #007759
#007759
oklch(50.5% 0.103 167.7)
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 #AB2178, closest first.
No curated palette has a color within ΔE 0.04 of #AB2178.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Violet #9E0168 ΔE 0.045
- Deep Magenta #A0025C ΔE 0.052
- Violet Red #A50055 ΔE 0.057
- Medium Violet Red #C71585 ΔE 0.058
- Dark Fuchsia #9D0759 ΔE 0.058
- Warm Purple #952E8F ΔE 0.058
- Raspberry #B00149 ΔE 0.072
- Light Burgundy #A8415B ΔE 0.078
Use #AB2178 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.