#6164EE
Closest named color: Neon Blue (#4361EE). oklch(57.8% 0.203 277), rgb(97, 100, 238).
Aa
White text reads best on this color (4.59:1).
About this color
#6164EE is a medium-dark, vivid blue. In OKLCH its lightness is 58%, its chroma 0.203 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Neon Blue (#4361EE), ΔE 0.038 away. White text reads best on it, at 4.59:1.
| Hue family | Blues |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.203) |
| Temperature | cool |
| Nearest name | Neon Blue (#4361EE) |
| Black text | 4.56:1 |
| White text | 4.59:1 |
Values
| HEX | #6164EE |
| RGB | rgb(97, 100, 238) |
| HSL | hsl(239, 81%, 66%) |
| OKLCH | oklch(57.8% 0.203 277) |
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 #6164EE | 4.59:1 | AA | Lc -77.0 | Fine for body text |
| Black text on #6164EE | 4.56:1 | AA | Lc 32.6 | Non-text elements, placeholder text |
| #6164EE text on white | 4.59:1 | AA | Lc 71.5 | Content text, not long reading |
| #6164EE text on black | 4.56:1 | AA | Lc -30.2 | Non-text elements, placeholder text |
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
#E5E9FC
oklch(93.7% 0.026 276.4)
-
Step 200
200
#D0D7FB
oklch(88.5% 0.05 276.6)
-
Step 300
300
#B1BCFC
oklch(81% 0.091 276.6)
-
Step 400
400
#8A96FA
oklch(70.7% 0.146 276.8)
-
Step 500
500
#7078F7
oklch(63% 0.187 276.9)
-
Step 600
600 (this color)
#6164EE
oklch(57.8% 0.203 277)
-
Step 700
700
#4C4BC8
oklch(49.1% 0.189 277.2)
-
Step 800
800
#3E3FA2
oklch(42.8% 0.156 277.1)
-
Step 900
900
#343780
oklch(37.8% 0.121 277.1)
-
Step 950
950
#1E214B
oklch(27.1% 0.077 276.9)
#6164EE 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) | #007BF3 | 0.077 |
| Deuteranopia (no green cones) | #006FEB | 0.070 |
| Tritanopia (no blue cones) | #00859F | 0.174 |
| Achromatopsia (no color) | #757575 | 0.204 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6164EE
#6164EE
oklch(57.8% 0.203 277)
- #8E7900
#8E7900
oklch(57.8% 0.119 96.9)
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 #6164EE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Neon Blue #4361EE ΔE 0.038
- Medium Slate Blue #7B68EE ΔE 0.040
- Royal Blue #4169E1 ΔE 0.043
- Dark Periwinkle #665FD1 ΔE 0.045
- Light Indigo #6D5ACF ΔE 0.053
- Warm Blue #4B57DB ΔE 0.053
- Cornflower #6A79F7 ΔE 0.053
- Slate Blue #6A5ACD ΔE 0.055
Use #6164EE 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.