#6456CA
Closest named color: Iris (#6258C4). oklch(53% 0.173 284.3), rgb(100, 86, 202).
Aa
White text reads best on this color (5.63:1).
About this color
#6456CA is a medium-dark, vivid purple. In OKLCH its lightness is 53%, its chroma 0.173 and its hue 284°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.011 away. White text reads best on it, at 5.63:1.
| Hue family | Purples |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.173) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.72:1 |
| White text | 5.63:1 |
Values
| HEX | #6456CA |
| RGB | rgb(100, 86, 202) |
| HSL | hsl(247, 52%, 56%) |
| OKLCH | oklch(53% 0.173 284.3) |
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 #6456CA | 5.63:1 | AA | Lc -83.1 | Fine for body text |
| Black text on #6456CA | 3.72:1 | AA large text | Lc 26.2 | Dividers and decoration only |
| #6456CA text on white | 5.63:1 | AA | Lc 77.8 | Fine for body text |
| #6456CA text on black | 3.72:1 | AA large text | Lc -23.9 | 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 600.
-
Step 50
50
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E8E8F9
oklch(93.6% 0.023 286)
-
Step 200
200
#D5D6F6
oklch(88.5% 0.044 284)
-
Step 300
300
#BABAF2
oklch(80.8% 0.079 284.5)
-
Step 400
400
#9895EB
oklch(70.7% 0.124 284.3)
-
Step 500
500
#8078E5
oklch(63.1% 0.16 284.2)
-
Step 600
600 (this color)
#6456CA
oklch(53% 0.173 284.3)
-
Step 700
700
#5A4DB7
oklch(49.2% 0.161 284.3)
-
Step 800
800
#494094
oklch(42.8% 0.133 284.1)
-
Step 900
900
#3D3776
oklch(37.7% 0.104 284.6)
-
Step 950
950
#232145
oklch(27% 0.065 283.6)
#6456CA 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) | #006BCE | 0.089 |
| Deuteranopia (no green cones) | #0064C8 | 0.087 |
| Tritanopia (no blue cones) | #3D7188 | 0.147 |
| Achromatopsia (no color) | #676767 | 0.174 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6456CA
#6456CA
oklch(53% 0.173 284.3)
- #776E00
#776E00
oklch(53% 0.112 103.9)
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 #6456CA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.011
- Slate Blue #6A5ACD ΔE 0.015
- Light Indigo #6D5ACF ΔE 0.019
- Dark Periwinkle #665FD1 ΔE 0.024
- Warm Blue #4B57DB ΔE 0.044
- Bluey Purple #6241C7 ΔE 0.046
- Royal Blue #4169E1 ΔE 0.065
- Blue With A Hint Of Purple #533CC6 ΔE 0.066
Use #6456CA 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.