#6361BC
Closest named color: Iris (#6258C4). oklch(53.9% 0.139 281.7), rgb(99, 97, 188).
Aa
White text reads best on this color (5.29:1).
About this color
#6361BC is a medium-dark, moderately saturated purple. In OKLCH its lightness is 54%, its chroma 0.139 and its hue 282°. 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 5.29:1.
| Hue family | Purples |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.139) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.96:1 |
| White text | 5.29:1 |
Values
| HEX | #6361BC |
| RGB | rgb(99, 97, 188) |
| HSL | hsl(241, 40%, 56%) |
| OKLCH | oklch(53.9% 0.139 281.7) |
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 #6361BC | 5.29:1 | AA | Lc -81.5 | Fine for body text |
| Black text on #6361BC | 3.96:1 | AA large text | Lc 27.9 | Dividers and decoration only |
| #6361BC text on white | 5.29:1 | AA | Lc 76.1 | Fine for body text |
| #6361BC text on black | 3.96:1 | AA large text | Lc -25.6 | 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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E7E9F6
oklch(93.6% 0.018 279.1)
-
Step 200
200
#D5D7F0
oklch(88.5% 0.034 282)
-
Step 300
300
#B9BCE9
oklch(80.8% 0.063 281.9)
-
Step 400
400
#9699DE
oklch(70.7% 0.1 281.6)
-
Step 500
500
#7D7ED4
oklch(63% 0.128 281.6)
-
Step 600
600 (this color)
#6361BC
oklch(53.9% 0.139 281.7)
-
Step 700
700
#5654A7
oklch(49% 0.13 281.6)
-
Step 800
800
#474587
oklch(42.6% 0.107 282.2)
-
Step 900
900
#3B3B6C
oklch(37.7% 0.083 281.7)
-
Step 950
950
#22233F
oklch(27% 0.052 280.8)
#6361BC 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) | #3A6FBF | 0.056 |
| Deuteranopia (no green cones) | #3468BA | 0.056 |
| Tritanopia (no blue cones) | #447485 | 0.120 |
| Achromatopsia (no color) | #6B6B6B | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6361BC
#6361BC
oklch(53.9% 0.139 281.7)
- #7C7000
#7C7000
oklch(53.9% 0.113 102)
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 #6361BC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.027
- Dark Periwinkle #665FD1 ΔE 0.034
- Slate Blue #6A5ACD ΔE 0.034
- Light Indigo #6D5ACF ΔE 0.038
- French Blue #436BAD ΔE 0.054
- Warm Blue #4B57DB ΔE 0.066
- Deep Lavender #8D5EB7 ΔE 0.068
- Royal Blue #4169E1 ΔE 0.069
Use #6361BC 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.