#6739CC
Closest named color: Bluey Purple (#6241C7). oklch(49.1% 0.212 290.8), rgb(103, 57, 204).
Aa
White text reads best on this color (6.92:1).
About this color
#6739CC is a medium-dark, vivid purple. In OKLCH its lightness is 49%, its chroma 0.212 and its hue 291°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Bluey Purple (#6241C7), ΔE 0.017 away. White text reads best on it, at 6.92:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.212) |
| Temperature | in between |
| Nearest name | Bluey Purple (#6241C7) |
| Black text | 3.03:1 |
| White text | 6.92:1 |
Values
| HEX | #6739CC |
| RGB | rgb(103, 57, 204) |
| HSL | hsl(259, 59%, 51%) |
| OKLCH | oklch(49.1% 0.212 290.8) |
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 #6739CC | 6.92:1 | AA | Lc -88.2 | Fine for body text |
| Black text on #6739CC | 3.03:1 | AA large text | Lc 20.9 | Dividers and decoration only |
| #6739CC text on white | 6.92:1 | AA | Lc 83.1 | Fine for body text |
| #6739CC text on black | 3.03:1 | AA large text | Lc -18.8 | 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
#F5F4FE
oklch(97.1% 0.013 290.8)
-
Step 100
100
#E9E7FD
oklch(93.6% 0.03 290)
-
Step 200
200
#D8D3FD
oklch(88.4% 0.058 290.6)
-
Step 300
300
#C0B5FE
oklch(80.8% 0.102 290.8)
-
Step 400
400
#A28BFE
oklch(70.7% 0.164 290.8)
-
Step 500
500
#8E69FC
oklch(63.2% 0.209 290.8)
-
Step 600
600
#7A4AEB
oklch(55.6% 0.228 290.8)
-
Step 700
700 (this color)
#6739CC
oklch(49.1% 0.212 290.8)
-
Step 800
800
#5431A5
oklch(42.7% 0.175 290.9)
-
Step 900
900
#442D83
oklch(37.6% 0.137 290.6)
-
Step 950
950
#281C4D
oklch(27.1% 0.087 290.8)
#6739CC 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) | #005CD0 | 0.114 |
| Deuteranopia (no green cones) | #0056C9 | 0.111 |
| Tritanopia (no blue cones) | #45607F | 0.169 |
| Achromatopsia (no color) | #5A5A5A | 0.213 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6739CC
#6739CC
oklch(49.1% 0.212 290.8)
- #646500
#646500
oklch(49% 0.107 110.5)
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 #6739CC, closest first.
No curated palette has a color within ΔE 0.04 of #6739CC.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluey Purple #6241C7 ΔE 0.017
- Blurple #5539CC ΔE 0.032
- Blue With A Hint Of Purple #533CC6 ΔE 0.035
- Burple #6832E3 ΔE 0.036
- Purple Blue #5D21D0 ΔE 0.041
- Purpley Blue #5F34E7 ΔE 0.046
- Purply Blue #661AEE ΔE 0.061
- Iris #6258C4 ΔE 0.065
Use #6739CC 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.