#6461E8
Closest named color: Dark Periwinkle (#665FD1). oklch(57.1% 0.198 279), rgb(100, 97, 232).
Aa
White text reads best on this color (4.75:1).
About this color
#6461E8 is a medium-dark, vivid blue. In OKLCH its lightness is 57%, its chroma 0.198 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Periwinkle (#665FD1), ΔE 0.035 away. White text reads best on it, at 4.75:1.
| Hue family | Blues |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.198) |
| Temperature | cool |
| Nearest name | Dark Periwinkle (#665FD1) |
| Black text | 4.41:1 |
| White text | 4.75:1 |
Values
| HEX | #6461E8 |
| RGB | rgb(100, 97, 232) |
| HSL | hsl(241, 75%, 65%) |
| OKLCH | oklch(57.1% 0.198 279) |
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 #6461E8 | 4.75:1 | AA | Lc -78.0 | Fine for body text |
| Black text on #6461E8 | 4.41:1 | AA large text | Lc 31.5 | Non-text elements, placeholder text |
| #6461E8 text on white | 4.75:1 | AA | Lc 72.6 | Content text, not long reading |
| #6461E8 text on black | 4.41:1 | AA large text | Lc -29.1 | 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
#E6E9FB
oklch(93.7% 0.024 278.4)
-
Step 200
200
#D1D6FA
oklch(88.4% 0.05 279.1)
-
Step 300
300
#B4BBFA
oklch(80.9% 0.089 279.3)
-
Step 400
400
#8E95F8
oklch(70.6% 0.144 279)
-
Step 500
500
#7577F4
oklch(63% 0.183 279.1)
-
Step 600
600 (this color)
#6461E8
oklch(57.1% 0.198 279)
-
Step 700
700
#504BC5
oklch(49.1% 0.184 279)
-
Step 800
800
#413E9F
oklch(42.6% 0.153 279.1)
-
Step 900
900
#36367F
oklch(37.6% 0.12 278.9)
-
Step 950
950
#20214A
oklch(27.1% 0.074 279.2)
#6461E8 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) | #0078EC | 0.082 |
| Deuteranopia (no green cones) | #006DE5 | 0.076 |
| Tritanopia (no blue cones) | #13819B | 0.172 |
| Achromatopsia (no color) | #737373 | 0.199 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6461E8
#6461E8
oklch(57.1% 0.198 279)
- #897800
#897800
oklch(57.1% 0.118 99.4)
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 #6461E8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Periwinkle #665FD1 ΔE 0.035
- Medium Slate Blue #7B68EE ΔE 0.041
- Light Indigo #6D5ACF ΔE 0.042
- Neon Blue #4361EE ΔE 0.042
- Slate Blue #6A5ACD ΔE 0.044
- Royal Blue #4169E1 ΔE 0.045
- Warm Blue #4B57DB ΔE 0.048
- Purpley #8756E4 ΔE 0.058
Use #6461E8 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.