#6159EA
Closest named color: Neon Blue (#4361EE). oklch(55.7% 0.211 279.5), rgb(97, 89, 234).
Aa
White text reads best on this color (5.09:1).
About this color
#6159EA is a medium-dark, vivid blue. In OKLCH its lightness is 56%, its chroma 0.211 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Neon Blue (#4361EE), ΔE 0.039 away. White text reads best on it, at 5.09:1.
| Hue family | Blues |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.211) |
| Temperature | cool |
| Nearest name | Neon Blue (#4361EE) |
| Black text | 4.12:1 |
| White text | 5.09:1 |
Values
| HEX | #6159EA |
| RGB | rgb(97, 89, 234) |
| HSL | hsl(243, 78%, 63%) |
| OKLCH | oklch(55.7% 0.211 279.5) |
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 #6159EA | 5.09:1 | AA | Lc -80.0 | Fine for body text |
| Black text on #6159EA | 4.12:1 | AA large text | Lc 29.5 | Dividers and decoration only |
| #6159EA text on white | 5.09:1 | AA | Lc 74.6 | Content text, not long reading |
| #6159EA 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
#D1D6FC
oklch(88.4% 0.053 279.4)
-
Step 300
300
#B3BAFE
oklch(80.8% 0.096 279.5)
-
Step 400
400
#8E94FD
oklch(70.7% 0.152 279.3)
-
Step 500
500
#7575FB
oklch(63.1% 0.195 279.3)
-
Step 600
600 (this color)
#6159EA
oklch(55.7% 0.211 279.5)
-
Step 700
700
#5147CB
oklch(49% 0.196 279.7)
-
Step 800
800
#423CA4
oklch(42.7% 0.162 279.6)
-
Step 900
900
#373582
oklch(37.8% 0.126 279.7)
-
Step 950
950
#20204C
oklch(27.1% 0.079 279.7)
#6159EA 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) | #0074EF | 0.084 |
| Deuteranopia (no green cones) | #0068E7 | 0.077 |
| Tritanopia (no blue cones) | #007D99 | 0.181 |
| Achromatopsia (no color) | #6E6E6E | 0.212 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6159EA
#6159EA
oklch(55.7% 0.211 279.5)
- #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 #6159EA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Neon Blue #4361EE ΔE 0.039
- Warm Blue #4B57DB ΔE 0.039
- Dark Periwinkle #665FD1 ΔE 0.042
- Light Indigo #6D5ACF ΔE 0.046
- Slate Blue #6A5ACD ΔE 0.047
- Royal Blue #4169E1 ΔE 0.051
- Medium Slate Blue #7B68EE ΔE 0.055
- Iris #6258C4 ΔE 0.058
Use #6159EA 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.