#662999
Closest named color: Rebecca Purple (#663399). oklch(42.8% 0.173 304.9), rgb(102, 41, 153).
Aa
White text reads best on this color (8.96:1).
About this color
#662999 is a dark, vivid purple. In OKLCH its lightness is 43%, its chroma 0.173 and its hue 305°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.019 away. White text reads best on it, at 8.96:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | vivid (0.173) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.34:1 |
| White text | 8.96:1 |
Values
| HEX | #662999 |
| RGB | rgb(102, 41, 153) |
| HSL | hsl(273, 58%, 38%) |
| OKLCH | oklch(42.8% 0.173 304.9) |
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 #662999 | 8.96:1 | AAA | Lc -94.3 | Preferred for body text |
| Black text on #662999 | 2.34:1 | Fails | Lc 14.2 | Not readable |
| #662999 text on white | 8.96:1 | AAA | Lc 89.8 | Fine for body text |
| #662999 text on black | 2.34:1 | Fails | Lc -12.5 | 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
#F7F3FD
oklch(97% 0.014 304.1)
-
Step 100
100
#EEE5FA
oklch(93.5% 0.03 305.1)
-
Step 200
200
#E1D0F8
oklch(88.4% 0.057 304.5)
-
Step 300
300
#D0B0F6
oklch(80.9% 0.102 305.1)
-
Step 400
400
#B883F1
oklch(70.6% 0.163 304.8)
-
Step 500
500
#A75FEC
oklch(63.1% 0.207 304.7)
-
Step 600
600
#933EDA
oklch(55.6% 0.226 304.9)
-
Step 700
700
#7D2EBD
oklch(49% 0.21 304.7)
-
Step 800
800 (this color)
#662999
oklch(42.8% 0.173 304.9)
-
Step 900
900
#53287A
oklch(37.8% 0.135 304.9)
-
Step 950
950
#301847
oklch(26.9% 0.086 304.8)
#662999 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) | #00489C | 0.133 |
| Deuteranopia (no green cones) | #004997 | 0.134 |
| Tritanopia (no blue cones) | #5C445E | 0.125 |
| Achromatopsia (no color) | #494949 | 0.175 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #662999
#662999
oklch(42.8% 0.173 304.9)
- #425800
#425800
oklch(42.6% 0.107 124.6)
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 #662999, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.019
- Grape #7209B7 ΔE 0.058
- Chrysanthemum #560BAD ΔE 0.061
- Dark Slate Blue #483D8B ΔE 0.070
- Blueberry #464196 ΔE 0.072
- Purple #800080 ΔE 0.077
- Imperial Purple #480CA8 ΔE 0.080
- Dark Magenta #8B008B ΔE 0.085
Use #662999 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.