#4250CF#4250CF

#4250CF is a mid, vivid blue. Relative luminance 0.114; OKLCH L 49.9% C 0.194 H 272.4°. Best body text is #FFFFFF at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#4250CF
RGB	rgb(66, 80, 207)
HSL	hsl(234, 59%, 54%)
HSV	hsv(234, 68%, 81%)
CMYK	cmyk(68.1%, 61.4%, 0%, 18.8%)
CIE-LAB	lab(40.24, 35.78, -67.32)
CIE-LCH	lch(40.24, 76.24, 297.99°)
OKLab	oklab(49.91% 0.0081 -0.1942)
OKLCH	oklch(49.91% 0.194 272.4)
XYZ	xyz(16.3741, 11.3990, 60.3567)
Luminance	0.1140 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4250CF #CFC142

analogous

#4296CF #4250CF #7A42CF

triadic

#4250CF #CF4250 #50CF42

tetradic

#4250CF #CF4296 #CFC142 #42CF7A

square

#4250CF #CF4296 #CFC142 #42CF7A

split-complementary

#4250CF #CF7A42 #96CF42

monochromatic

#1F2778 #2B37A9 #4250CF #737DDB #A4AAE8

Accessibility & contrast

On white

6.40

#4250CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#4250CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4250CF

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4250CF	#FFFFFF	#000000	##FFFFFF
##4250CF	1.00	6.40	3.28	6.40
#FFFFFF	6.40	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065D3

Deuteranopia (green-blind)

#0059CD

Tritanopia (blue-blind)

#007088

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #4250cf;
/* rgb */ color: rgb(66, 80, 207);
/* oklch */ color: oklch(49.9% 0.194 272.4);

Tailwind

colors: {
  custom: {
    50: '#8781df',
    500: '#4250cf',
    950: '#000000',
  },
}

SCSS

$custom: #4250cf;
$custom-light: #8781df;
$custom-dark: #000000;

JSON

{
  "hex": "#4250cf",
  "rgb": {
    "r": 66,
    "g": 80,
    "b": 207
  },
  "hsl": {
    "h": 234.043,
    "s": 59.494,
    "l": 53.529
  },
  "oklch": {
    "l": 0.4991,
    "c": 0.19436,
    "h": 272.4
  },
  "luminance": 0.11401
}

Semantic roles & 50–950 ramp

primary

#4250CF

secondary

#D5CF98

accent

#D345E3

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0A15

muted

#7E7C83

Preview Lab

Preview with #4250CF

Body copy rendered with the generated semantic roles for this colour.

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