#6358EB
Closest named color: Warm Blue (#4B57DB). oklch(55.7% 0.213 280.3), rgb(99, 88, 235).
Aa
White text reads best on this color (5.08:1).
About this color
#6358EB is a medium-dark, vivid purple. In OKLCH its lightness is 56%, its chroma 0.213 and its hue 280°. Its hue sits on the cool side of the wheel. The nearest named color is Warm Blue (#4B57DB), ΔE 0.042 away. White text reads best on it, at 5.08:1.
| Hue family | Purples |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.213) |
| Temperature | cool |
| Nearest name | Warm Blue (#4B57DB) |
| Black text | 4.12:1 |
| White text | 5.08:1 |
Values
| HEX | #6358EB |
| RGB | rgb(99, 88, 235) |
| HSL | hsl(244, 79%, 63%) |
| OKLCH | oklch(55.7% 0.213 280.3) |
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 #6358EB | 5.08:1 | AA | Lc -80.0 | Fine for body text |
| Black text on #6358EB | 4.12:1 | AA large text | Lc 29.5 | Dividers and decoration only |
| #6358EB text on white | 5.08:1 | AA | Lc 74.6 | Content text, not long reading |
| #6358EB text on black | 4.12:1 | AA large text | Lc -27.1 | 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
#F3F5FE
oklch(97.1% 0.012 276.1)
-
Step 100
100
#E6E8FD
oklch(93.6% 0.028 281.5)
-
Step 200
200
#D2D6FD
oklch(88.5% 0.054 280.6)
-
Step 300
300
#B4BAFE
oklch(80.9% 0.096 280.1)
-
Step 400
400
#9093FE
oklch(70.7% 0.154 280.5)
-
Step 500
500
#7774FB
oklch(63.1% 0.196 280.2)
-
Step 600
600 (this color)
#6358EB
oklch(55.7% 0.213 280.3)
-
Step 700
700
#5246CC
oklch(49% 0.199 280.2)
-
Step 800
800
#433BA5
oklch(42.7% 0.164 280.2)
-
Step 900
900
#383483
oklch(37.7% 0.129 280.5)
-
Step 950
950
#201F4D
oklch(26.9% 0.083 280.3)
#6358EB 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) | #0074F0 | 0.087 |
| Deuteranopia (no green cones) | #0069E8 | 0.080 |
| Tritanopia (no blue cones) | #027D99 | 0.184 |
| Achromatopsia (no color) | #6E6E6E | 0.214 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6358EB
#6358EB
oklch(55.7% 0.213 280.3)
- #847400
#847400
oklch(55.7% 0.116 99.7)
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 #6358EB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Warm Blue #4B57DB ΔE 0.042
- Neon Blue #4361EE ΔE 0.042
- Dark Periwinkle #665FD1 ΔE 0.044
- Light Indigo #6D5ACF ΔE 0.046
- Slate Blue #6A5ACD ΔE 0.048
- Medium Slate Blue #7B68EE ΔE 0.054
- Royal Blue #4169E1 ΔE 0.055
- Purpley #8756E4 ΔE 0.059
Use #6358EB 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.