#6C0645
Closest named color: Merlot (#730039). oklch(35.4% 0.142 350.4), rgb(108, 6, 69).
Aa
White text reads best on this color (12.00:1).
About this color
#6C0645 is a dark, vivid red. In OKLCH its lightness is 35%, its chroma 0.142 and its hue 350°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.026 away. White text reads best on it, at 12.00:1.
| Hue family | Reds |
| Lightness | dark (35%) |
| Chroma | vivid (0.142) |
| Temperature | warm |
| Nearest name | Merlot (#730039) |
| Black text | 1.74:1 |
| White text | 12.00:1 |
Values
| HEX | #6C0645 |
| RGB | rgb(108, 6, 69) |
| HSL | hsl(323, 89%, 22%) |
| OKLCH | oklch(35.4% 0.142 350.4) |
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 #6C0645 | 12.00:1 | AAA | Lc -99.6 | Preferred for body text |
| Black text on #6C0645 | 1.74:1 | Fails | Lc 8.1 | Not readable |
| #6C0645 text on white | 12.00:1 | AAA | Lc 95.8 | Preferred for body text |
| #6C0645 text on black | 1.74:1 | Fails | Lc 0.0 | 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 900.
-
Step 50
50
#FEF2F7
oklch(97.2% 0.014 350.1)
-
Step 100
100
#FBE2EC
oklch(93.6% 0.03 351.5)
-
Step 200
200
#F9CADE
oklch(88.5% 0.059 350.9)
-
Step 300
300
#F5A4CA
oklch(80.9% 0.106 350.1)
-
Step 400
400
#EC6EAF
oklch(70.7% 0.17 350.2)
-
Step 500
500
#E23D9B
oklch(63.1% 0.217 350.3)
-
Step 600
600
#CC0085
oklch(55.7% 0.232 350.5)
-
Step 700
700
#AC0070
oklch(49.1% 0.205 350.2)
-
Step 800
800
#8E005C
oklch(42.6% 0.178 350.1)
-
Step 900
900 (this color)
#6C0645
oklch(35.4% 0.142 350.4)
-
Step 950
950
#440E2C
oklch(27% 0.089 350.6)
#6C0645 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) | #1D2B46 | 0.162 |
| Deuteranopia (no green cones) | #3B3D43 | 0.140 |
| Tritanopia (no blue cones) | #750027 | 0.055 |
| Achromatopsia (no color) | #363636 | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6C0645
#6C0645
oklch(35.4% 0.142 350.4)
- #004736
#004736
oklch(35.4% 0.07 170.2)
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 #6C0645, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Merlot #730039 ΔE 0.026
- Velvet #750851 ΔE 0.028
- Rich Purple #720058 ΔE 0.035
- Grape Purple #5D1451 ΔE 0.040
- Wine #80013F ΔE 0.047
- Red Purple #820747 ΔE 0.050
- Bordeaux #7B002C ΔE 0.056
- Burgundy #610023 ΔE 0.061
Use #6C0645 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.