#6475E4
Closest named color: Cornflower (#6A79F7). oklch(60.4% 0.168 273.8), rgb(100, 117, 228).
Aa
Black text reads best on this color (5.20:1).
About this color
#6475E4 is a medium-dark, vivid blue. In OKLCH its lightness is 60%, its chroma 0.168 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.031 away. Black text reads best on it, at 5.20:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.168) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 5.20:1 |
| White text | 4.03:1 |
Values
| HEX | #6475E4 |
| RGB | rgb(100, 117, 228) |
| HSL | hsl(232, 70%, 64%) |
| OKLCH | oklch(60.4% 0.168 273.8) |
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 #6475E4 | 4.03:1 | AA large text | Lc -72.8 | Content text, not long reading |
| Black text on #6475E4 | 5.20:1 | AA | Lc 36.7 | Non-text elements, placeholder text |
| #6475E4 text on white | 4.03:1 | AA large text | Lc 67.3 | Content text, not long reading |
| #6475E4 text on black | 5.20:1 | AA | Lc -34.3 | 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 500.
-
Step 50
50
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E4E9FA
oklch(93.5% 0.024 272.8)
-
Step 200
200
#CFD8F8
oklch(88.5% 0.045 273)
-
Step 300
300
#AFBDF6
oklch(80.8% 0.082 273.7)
-
Step 400
400
#8799F2
oklch(70.6% 0.132 273.9)
-
Step 500
500 (this color)
#6475E4
oklch(60.4% 0.168 273.8)
-
Step 600
600
#5563DC
oklch(55.5% 0.183 273.8)
-
Step 700
700
#4652BF
oklch(49.2% 0.17 273.7)
-
Step 800
800
#39449A
oklch(42.8% 0.14 273.5)
-
Step 900
900
#313A7B
oklch(37.8% 0.11 274)
-
Step 950
950
#1C2248
oklch(26.9% 0.07 274)
#6475E4 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) | #3E84E8 | 0.049 |
| Deuteranopia (no green cones) | #2A79E2 | 0.054 |
| Tritanopia (no blue cones) | #158EA2 | 0.148 |
| Achromatopsia (no color) | #7E7E7E | 0.168 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6475E4
#6475E4
oklch(60.4% 0.168 273.8)
- #9A7F00
#9A7F00
oklch(60.4% 0.124 93.9)
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 #6475E4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.031
- Medium Slate Blue #7B68EE ΔE 0.045
- Soft Blue #6488EA ΔE 0.048
- Royal Blue #4169E1 ΔE 0.054
- Dark Periwinkle #665FD1 ΔE 0.058
- Clear Blue #247AFD ΔE 0.064
- Dark Sky Blue #448EE4 ΔE 0.068
- Light Indigo #6D5ACF ΔE 0.069
Use #6475E4 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.