#6375FC
Closest named color: Cornflower (#6A79F7). oklch(62% 0.2 273.4), rgb(99, 117, 252).
Aa
Black text reads best on this color (5.48:1).
About this color
#6375FC is a medium-light, vivid blue. In OKLCH its lightness is 62%, its chroma 0.200 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.016 away. Black text reads best on it, at 5.48:1.
| Hue family | Blues |
| Lightness | medium-light (62%) |
| Chroma | vivid (0.200) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 5.48:1 |
| White text | 3.83:1 |
Values
| HEX | #6375FC |
| RGB | rgb(99, 117, 252) |
| HSL | hsl(233, 96%, 69%) |
| OKLCH | oklch(62% 0.2 273.4) |
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 #6375FC | 3.83:1 | AA large text | Lc -70.9 | Content text, not long reading |
| Black text on #6375FC | 5.48:1 | AA | Lc 38.6 | Non-text elements, placeholder text |
| #6375FC text on white | 3.83:1 | AA large text | Lc 65.4 | Content text, not long reading |
| #6375FC text on black | 5.48:1 | AA | Lc -36.2 | 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 500.
-
Step 50
50
#F2F5FF
oklch(97.1% 0.014 272.7)
-
Step 100
100
#E3E9FD
oklch(93.5% 0.028 272.5)
-
Step 200
200
#CDD7FE
oklch(88.4% 0.055 273.9)
-
Step 300
300
#ACBDFF
oklch(80.9% 0.095 273)
-
Step 400
400
#8397FF
oklch(70.7% 0.153 273.6)
-
Step 500
500 (this color)
#6375FC
oklch(62% 0.2 273.4)
-
Step 600
600
#505DEF
oklch(55.6% 0.217 273.2)
-
Step 700
700
#424BD0
oklch(49.1% 0.202 273.3)
-
Step 800
800
#363EA8
oklch(42.6% 0.168 273.6)
-
Step 900
900
#2E3785
oklch(37.7% 0.13 273.5)
-
Step 950
950
#1A214E
oklch(27% 0.083 273)
#6375FC 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) | #1489FF | 0.067 |
| Deuteranopia (no green cones) | #007CF9 | 0.064 |
| Tritanopia (no blue cones) | #0095AD | 0.171 |
| Achromatopsia (no color) | #828282 | 0.200 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6375FC
#6375FC
oklch(62% 0.2 273.4)
- #A08300
#A08300
oklch(61.9% 0.127 93.2)
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 #6375FC, closest first.
No curated palette has a color within ΔE 0.04 of #6375FC.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.016
- Medium Slate Blue #7B68EE ΔE 0.045
- Clear Blue #247AFD ΔE 0.053
- Soft Blue #6488EA ΔE 0.058
- Royal Blue #4169E1 ΔE 0.066
- Neon Blue #4361EE ΔE 0.068
- Periwinkle #8E82FE ΔE 0.070
- Dodger Blue #1E90FF ΔE 0.076
Use #6375FC 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.