#6475D8
Closest named color: Cornflower (#6A79F7). oklch(59.7% 0.151 273.6), rgb(100, 117, 216).
Aa
Black text reads best on this color (5.07:1).
About this color
#6475D8 is a medium-dark, vivid blue. In OKLCH its lightness is 60%, its chroma 0.151 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.048 away. Black text reads best on it, at 5.07:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.151) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 5.07:1 |
| White text | 4.13:1 |
Values
| HEX | #6475D8 |
| RGB | rgb(100, 117, 216) |
| HSL | hsl(231, 60%, 62%) |
| OKLCH | oklch(59.7% 0.151 273.6) |
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 #6475D8 | 4.13:1 | AA large text | Lc -73.7 | Content text, not long reading |
| Black text on #6475D8 | 5.07:1 | AA | Lc 35.8 | Non-text elements, placeholder text |
| #6475D8 text on white | 4.13:1 | AA large text | Lc 68.2 | Content text, not long reading |
| #6475D8 text on black | 5.07:1 | AA | Lc -33.4 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E5E9F9
oklch(93.6% 0.022 274.7)
-
Step 200
200
#D0D8F5
oklch(88.5% 0.041 273.3)
-
Step 300
300
#B1BEF1
oklch(80.9% 0.074 273.5)
-
Step 400
400
#899BEA
oklch(70.8% 0.118 273.3)
-
Step 500
500 (this color)
#6475D8
oklch(59.7% 0.151 273.6)
-
Step 600
600
#5767D2
oklch(55.7% 0.164 273.5)
-
Step 700
700
#4855B6
oklch(49.2% 0.153 273.7)
-
Step 800
800
#3B4693
oklch(42.8% 0.126 273.7)
-
Step 900
900
#323B75
oklch(37.6% 0.099 274)
-
Step 950
950
#1D2345
oklch(27% 0.063 273.9)
#6475D8 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) | #4982DC | 0.041 |
| Deuteranopia (no green cones) | #3B78D6 | 0.043 |
| Tritanopia (no blue cones) | #2A8B9C | 0.135 |
| Achromatopsia (no color) | #7D7D7D | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6475D8
#6475D8
oklch(59.7% 0.151 273.6)
- #987D00
#987D00
oklch(59.8% 0.122 93.7)
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 #6475D8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.048
- Soft Blue #6488EA ΔE 0.052
- Dark Periwinkle #665FD1 ΔE 0.054
- Medium Slate Blue #7B68EE ΔE 0.056
- Royal Blue #4169E1 ΔE 0.057
- Windows Blue #3778BF ΔE 0.064
- Light Indigo #6D5ACF ΔE 0.065
- Slate Blue #6A5ACD ΔE 0.066
Use #6475D8 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.