#6F378A
Closest named color: Rebecca Purple (#663399). oklch(44.7% 0.14 313.3), rgb(111, 55, 138).
Aa
White text reads best on this color (8.11:1).
About this color
#6F378A is a dark, moderately saturated purple. In OKLCH its lightness is 45%, its chroma 0.140 and its hue 313°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.034 away. White text reads best on it, at 8.11:1.
| Hue family | Purples |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.140) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.58:1 |
| White text | 8.11:1 |
Values
| HEX | #6F378A |
| RGB | rgb(111, 55, 138) |
| HSL | hsl(280, 43%, 38%) |
| OKLCH | oklch(44.7% 0.14 313.3) |
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 #6F378A | 8.11:1 | AAA | Lc -92.3 | Preferred for body text |
| Black text on #6F378A | 2.58:1 | Fails | Lc 16.4 | Dividers and decoration only |
| #6F378A text on white | 8.11:1 | AAA | Lc 87.6 | Fine for body text |
| #6F378A text on black | 2.58:1 | Fails | Lc -14.5 | 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
#F8F3FB
oklch(97% 0.012 313.2)
-
Step 100
100
#F0E6F5
oklch(93.7% 0.023 314.7)
-
Step 200
200
#E4D1EF
oklch(88.5% 0.045 313.3)
-
Step 300
300
#D3B2E7
oklch(81% 0.081 312.5)
-
Step 400
400
#BD87DA
oklch(70.7% 0.131 313.2)
-
Step 500
500
#AC66D0
oklch(63% 0.167 313)
-
Step 600
600
#984ABD
oklch(55.6% 0.182 313.3)
-
Step 700
700
#813AA3
oklch(49% 0.17 313)
-
Step 800
800 (this color)
#6F378A
oklch(44.7% 0.14 313.3)
-
Step 900
900
#562C6A
oklch(37.7% 0.11 313.6)
-
Step 950
950
#321B3E
oklch(27% 0.069 313)
#6F378A 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) | #1D4D8D | 0.126 |
| Deuteranopia (no green cones) | #335188 | 0.111 |
| Tritanopia (no blue cones) | #6C465B | 0.095 |
| Achromatopsia (no color) | #505050 | 0.141 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6F378A
#6F378A
oklch(44.7% 0.14 313.3)
- #366200
#366200
oklch(44.6% 0.126 133.1)
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 #6F378A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.034
- Light Eggplant #894585 ΔE 0.066
- Dark Slate Blue #483D8B ΔE 0.072
- Purple #800080 ΔE 0.073
- Warm Purple #952E8F ΔE 0.075
- Blueberry #464196 ΔE 0.077
- Dark Magenta #8B008B ΔE 0.079
- Twilight #4E518B ΔE 0.082
Use #6F378A 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.