#6440BD
Closest named color: Bluey Purple (#6241C7). oklch(48.4% 0.186 291.1), rgb(100, 64, 189).
Aa
White text reads best on this color (6.97:1).
About this color
#6440BD is a medium-dark, vivid purple. In OKLCH its lightness is 48%, its chroma 0.186 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 0.016 away. White text reads best on it, at 6.97:1.
| Hue family | Purples |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.186) |
| Temperature | in between |
| Nearest name | Bluey Purple (#6241C7) |
| Black text | 3.01:1 |
| White text | 6.97:1 |
Values
| HEX | #6440BD |
| RGB | rgb(100, 64, 189) |
| HSL | hsl(257, 49%, 50%) |
| OKLCH | oklch(48.4% 0.186 291.1) |
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 #6440BD | 6.97:1 | AA | Lc -88.6 | Fine for body text |
| Black text on #6440BD | 3.01:1 | AA large text | Lc 20.4 | Dividers and decoration only |
| #6440BD text on white | 6.97:1 | AA | Lc 83.6 | Fine for body text |
| #6440BD text on black | 3.01:1 | AA large text | Lc -18.4 | 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
#F5F4FD
oklch(97% 0.012 291.3)
-
Step 100
100
#E9E7FA
oklch(93.5% 0.026 290.7)
-
Step 200
200
#D9D4F8
oklch(88.5% 0.049 291.7)
-
Step 300
300
#C0B7F7
oklch(80.9% 0.09 290.7)
-
Step 400
400
#A28FF3
oklch(70.8% 0.144 291)
-
Step 500
500
#8D6FEE
oklch(63.1% 0.184 291.1)
-
Step 600
600
#7853DC
oklch(55.6% 0.199 290.9)
-
Step 700
700 (this color)
#6440BD
oklch(48.4% 0.186 291.1)
-
Step 800
800
#53389B
oklch(42.8% 0.154 291.1)
-
Step 900
900
#44317B
oklch(37.6% 0.12 291.4)
-
Step 950
950
#271E48
oklch(27% 0.075 290.3)
#6440BD 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) | #005BC1 | 0.106 |
| Deuteranopia (no green cones) | #0057BA | 0.105 |
| Tritanopia (no blue cones) | #485E79 | 0.148 |
| Achromatopsia (no color) | #595959 | 0.187 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6440BD
#6440BD
oklch(48.4% 0.186 291.1)
- #626400
#626400
oklch(48.5% 0.107 111.1)
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 #6440BD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluey Purple #6241C7 ΔE 0.016
- Blue With A Hint Of Purple #533CC6 ΔE 0.035
- Blurple #5539CC ΔE 0.039
- Iris #6258C4 ΔE 0.054
- Purple Blue #5D21D0 ΔE 0.058
- Burple #6832E3 ΔE 0.062
- Rebecca Purple #663399 ΔE 0.063
- Slate Blue #6A5ACD ΔE 0.063
Use #6440BD 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.