#BB0374
Closest named color: Medium Violet Red (#C71585). oklch(52% 0.214 352.7), rgb(187, 3, 116).
Aa
White text reads best on this color (6.21:1).
About this color
#BB0374 is a medium-dark, vivid red. In OKLCH its lightness is 52%, its chroma 0.214 and its hue 353°. Its hue sits on the warm side of the wheel. The nearest named color is Medium Violet Red (#C71585), ΔE 0.036 away. White text reads best on it, at 6.21:1.
| Hue family | Reds |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.214) |
| Temperature | warm |
| Nearest name | Medium Violet Red (#C71585) |
| Black text | 3.37:1 |
| White text | 6.21:1 |
Values
| HEX | #BB0374 |
| RGB | rgb(187, 3, 116) |
| HSL | hsl(323, 97%, 37%) |
| OKLCH | oklch(52% 0.214 352.7) |
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 #BB0374 | 6.21:1 | AA | Lc -83.8 | Fine for body text |
| Black text on #BB0374 | 3.37:1 | AA large text | Lc 25.5 | Dividers and decoration only |
| #BB0374 text on white | 6.21:1 | AA | Lc 78.6 | Fine for body text |
| #BB0374 text on black | 3.37:1 | AA large text | Lc -23.2 | 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
#FEF2F6
oklch(97.2% 0.014 355)
-
Step 100
100
#FBE2EC
oklch(93.6% 0.03 351.5)
-
Step 200
200
#F9CADD
oklch(88.5% 0.058 352.2)
-
Step 300
300
#F5A5C7
oklch(80.9% 0.103 352.5)
-
Step 400
400
#EC6FAA
oklch(70.6% 0.166 352.6)
-
Step 500
500
#E24095
oklch(63.2% 0.211 352.8)
-
Step 600
600
#CD007F
oklch(55.6% 0.23 352.9)
-
Step 700
700 (this color)
#BB0374
oklch(52% 0.214 352.7)
-
Step 800
800
#8F0058
oklch(42.7% 0.177 352.4)
-
Step 900
900
#731348
oklch(37.6% 0.138 352.6)
-
Step 950
950
#440E2A
oklch(26.9% 0.088 352.8)
#BB0374 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) | #394D76 | 0.245 |
| Deuteranopia (no green cones) | #6A6B70 | 0.212 |
| Tritanopia (no blue cones) | #CA0043 | 0.083 |
| Achromatopsia (no color) | #616161 | 0.216 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BB0374
#BB0374
oklch(52% 0.214 352.7)
- #007B63
#007B63
oklch(52% 0.1 172.8)
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 #BB0374, closest first.
No curated palette has a color within ΔE 0.04 of #BB0374.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Violet Red #C71585 ΔE 0.036
- Red Violet #9E0168 ΔE 0.063
- Violet Red #A50055 ΔE 0.064
- Deep Magenta #A0025C ΔE 0.066
- Raspberry #B00149 ΔE 0.069
- Dark Hot Pink #D90166 ΔE 0.069
- Dark Fuchsia #9D0759 ΔE 0.073
- Ruby #CA0147 ΔE 0.078
Use #BB0374 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.