#6E70BB
Closest named color: Dark Periwinkle (#665FD1). oklch(57.7% 0.114 281), rgb(110, 112, 187).
Aa
Black text reads best on this color (4.69:1).
About this color
#6E70BB is a medium-dark, moderately saturated purple. In OKLCH its lightness is 58%, its chroma 0.114 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Periwinkle (#665FD1), ΔE 0.061 away. Black text reads best on it, at 4.69:1.
| Hue family | Purples |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.114) |
| Temperature | cool |
| Nearest name | Dark Periwinkle (#665FD1) |
| Black text | 4.69:1 |
| White text | 4.46:1 |
Values
| HEX | #6E70BB |
| RGB | rgb(110, 112, 187) |
| HSL | hsl(238, 36%, 58%) |
| OKLCH | oklch(57.7% 0.114 281) |
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 #6E70BB | 4.46:1 | AA large text | Lc -76.4 | Fine for body text |
| Black text on #6E70BB | 4.69:1 | AA | Lc 33.2 | Non-text elements, placeholder text |
| #6E70BB text on white | 4.46:1 | AA large text | Lc 70.9 | Content text, not long reading |
| #6E70BB text on black | 4.69:1 | AA | Lc -30.7 | Non-text elements, placeholder text |
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 600.
-
Step 50
50
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E8E9F4
oklch(93.6% 0.015 281.9)
-
Step 200
200
#D5D7EC
oklch(88.4% 0.029 281.5)
-
Step 300
300
#BABDE2
oklch(80.8% 0.052 281.5)
-
Step 400
400
#979BD3
oklch(70.7% 0.082 280.9)
-
Step 500
500
#7E81C8
oklch(63% 0.106 281)
-
Step 600
600 (this color)
#6E70BB
oklch(57.7% 0.114 281)
-
Step 700
700
#57589B
oklch(49.1% 0.106 281.1)
-
Step 800
800
#47487E
oklch(42.7% 0.088 281.2)
-
Step 900
900
#3B3D65
oklch(37.7% 0.068 280.4)
-
Step 950
950
#23243B
oklch(27.1% 0.043 281.2)
#6E70BB 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) | #567ABE | 0.038 |
| Deuteranopia (no green cones) | #5274B9 | 0.037 |
| Tritanopia (no blue cones) | #577F8C | 0.100 |
| Achromatopsia (no color) | #777777 | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6E70BB
#6E70BB
oklch(57.7% 0.114 281)
- #887B14
#887B14
oklch(57.7% 0.115 101.5)
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 #6E70BB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Periwinkle #665FD1 ΔE 0.061
- Windows Blue #3778BF ΔE 0.062
- Deep Lilac #966EBD ΔE 0.062
- Deep Lavender #8D5EB7 ΔE 0.062
- Dark Lavender #856798 ΔE 0.062
- French Blue #436BAD ΔE 0.063
- Slate Blue #6A5ACD ΔE 0.067
- Cool Blue #4984B8 ΔE 0.067
Use #6E70BB 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.