#6355CA
Closest named color: Iris (#6258C4). oklch(52.7% 0.175 284.1), rgb(99, 85, 202).
Aa
White text reads best on this color (5.70:1).
About this color
#6355CA is a medium-dark, vivid purple. In OKLCH its lightness is 53%, its chroma 0.175 and its hue 284°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.012 away. White text reads best on it, at 5.70:1.
| Hue family | Purples |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.175) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.68:1 |
| White text | 5.70:1 |
Values
| HEX | #6355CA |
| RGB | rgb(99, 85, 202) |
| HSL | hsl(247, 52%, 56%) |
| OKLCH | oklch(52.7% 0.175 284.1) |
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 #6355CA | 5.70:1 | AA | Lc -83.4 | Fine for body text |
| Black text on #6355CA | 3.68:1 | AA large text | Lc 25.9 | Dividers and decoration only |
| #6355CA text on white | 5.70:1 | AA | Lc 78.2 | Fine for body text |
| #6355CA text on black | 3.68:1 | AA large text | Lc -23.6 | 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
#F4F5FD
oklch(97.2% 0.011 280.5)
-
Step 100
100
#E7E8F9
oklch(93.5% 0.023 283.3)
-
Step 200
200
#D5D6F6
oklch(88.5% 0.044 284)
-
Step 300
300
#BABAF2
oklch(80.8% 0.079 284.5)
-
Step 400
400
#9895EC
oklch(70.8% 0.126 284.3)
-
Step 500
500
#8078E6
oklch(63.1% 0.161 284.1)
-
Step 600
600 (this color)
#6355CA
oklch(52.7% 0.175 284.1)
-
Step 700
700
#594DB8
oklch(49.2% 0.163 283.7)
-
Step 800
800
#494095
oklch(42.8% 0.135 284)
-
Step 900
900
#3C3776
oklch(37.7% 0.104 283.8)
-
Step 950
950
#232145
oklch(27% 0.065 283.6)
#6355CA 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) | #006ACE | 0.088 |
| Deuteranopia (no green cones) | #0063C8 | 0.086 |
| Tritanopia (no blue cones) | #3B7087 | 0.148 |
| Achromatopsia (no color) | #666666 | 0.176 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6355CA
#6355CA
oklch(52.7% 0.175 284.1)
- #766D00
#766D00
oklch(52.6% 0.111 103.8)
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 #6355CA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.012
- Slate Blue #6A5ACD ΔE 0.017
- Light Indigo #6D5ACF ΔE 0.022
- Dark Periwinkle #665FD1 ΔE 0.026
- Warm Blue #4B57DB ΔE 0.043
- Bluey Purple #6241C7 ΔE 0.043
- Blue With A Hint Of Purple #533CC6 ΔE 0.063
- Blurple #5539CC ΔE 0.065
Use #6355CA 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.