#6354B3
Closest named color: Iris (#6258C4). oklch(50.9% 0.145 287.3), rgb(99, 84, 179).
Aa
White text reads best on this color (6.08:1).
About this color
#6354B3 is a medium-dark, vivid purple. In OKLCH its lightness is 51%, its chroma 0.145 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.027 away. White text reads best on it, at 6.08:1.
| Hue family | Purples |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.145) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.44:1 |
| White text | 6.08:1 |
Values
| HEX | #6354B3 |
| RGB | rgb(99, 84, 179) |
| HSL | hsl(249, 38%, 52%) |
| OKLCH | oklch(50.9% 0.145 287.3) |
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 #6354B3 | 6.08:1 | AA | Lc -85.3 | Fine for body text |
| Black text on #6354B3 | 3.44:1 | AA large text | Lc 23.9 | Dividers and decoration only |
| #6354B3 text on white | 6.08:1 | AA | Lc 80.2 | Fine for body text |
| #6354B3 text on black | 3.44:1 | AA large text | Lc -21.7 | 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
#F5F5FC
oklch(97.2% 0.009 286.2)
-
Step 100
100
#E9E8F7
oklch(93.6% 0.02 289.1)
-
Step 200
200
#D7D6F2
oklch(88.6% 0.038 287.2)
-
Step 300
300
#BDBAEC
oklch(80.8% 0.07 287.5)
-
Step 400
400
#9C95E3
oklch(70.6% 0.113 287.2)
-
Step 500
500
#8579DB
oklch(63.1% 0.144 287.1)
-
Step 600
600
#7060C8
oklch(55.6% 0.156 287.3)
-
Step 700
700 (this color)
#6354B3
oklch(50.9% 0.145 287.3)
-
Step 800
800
#4D418C
oklch(42.7% 0.12 287.6)
-
Step 900
900
#3F3870
oklch(37.7% 0.093 286.8)
-
Step 950
950
#252142
oklch(27% 0.06 287.2)
#6354B3 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) | #2764B6 | 0.076 |
| Deuteranopia (no green cones) | #2660B1 | 0.075 |
| Tritanopia (no blue cones) | #4A687B | 0.121 |
| Achromatopsia (no color) | #626262 | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6354B3
#6354B3
oklch(50.9% 0.145 287.3)
- #6D6900
#6D6900
oklch(50.8% 0.109 107.1)
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 #6354B3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.027
- Slate Blue #6A5ACD ΔE 0.044
- Light Indigo #6D5ACF ΔE 0.048
- Dark Periwinkle #665FD1 ΔE 0.052
- Bluey Purple #6241C7 ΔE 0.054
- Blue With A Hint Of Purple #533CC6 ΔE 0.070
- Warm Blue #4B57DB ΔE 0.070
- French Blue #436BAD ΔE 0.072
Use #6354B3 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.