#4250CB#4250CB

#4250CB is a mid, vivid blue. Relative luminance 0.112; OKLCH L 49.6% C 0.189 H 272.5°. Best body text is #FFFFFF at 6.48:1 contrast (WCAG AA passes).

Color values

HEX	#4250CB
RGB	rgb(66, 80, 203)
HSL	hsl(234, 57%, 53%)
HSV	hsv(234, 67%, 80%)
CMYK	cmyk(67.5%, 60.6%, 0%, 20.4%)
CIE-LAB	lab(39.93, 34.39, -65.53)
CIE-LCH	lch(39.93, 74.01, 297.69°)
OKLab	oklab(49.58% 0.0082 -0.1889)
OKLCH	oklch(49.58% 0.189 272.5)
XYZ	xyz(15.8913, 11.2059, 57.8138)
Luminance	0.1121 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4250CB #CBBD42

analogous

#4294CB #4250CB #7942CB

triadic

#4250CB #CB4250 #50CB42

tetradic

#4250CB #CB4294 #CBBD42 #42CB79

square

#4250CB #CB4294 #CBBD42 #42CB79

split-complementary

#4250CB #CB7942 #94CB42

monochromatic

#202873 #2D39A3 #4250CB #727CD8 #A2A9E5

Accessibility & contrast

On white

6.48

#4250CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#4250CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4250CB

6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4250CB	#FFFFFF	#000000	##FFFFFF
##4250CB	1.00	6.48	3.24	6.48
#FFFFFF	6.48	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064CF

Deuteranopia (green-blind)

#0058C9

Tritanopia (blue-blind)

#006F86

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #4250cb;
/* rgb */ color: rgb(66, 80, 203);
/* oklch */ color: oklch(49.6% 0.189 272.5);

Tailwind

colors: {
  custom: {
    50: '#8781dc',
    500: '#4250cb',
    950: '#000000',
  },
}

SCSS

$custom: #4250cb;
$custom-light: #8781dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4250cb",
  "rgb": {
    "r": 66,
    "g": 80,
    "b": 203
  },
  "hsl": {
    "h": 233.869,
    "s": 56.846,
    "l": 52.745
  },
  "oklch": {
    "l": 0.49575,
    "c": 0.18912,
    "h": 272.5
  },
  "luminance": 0.11207
}

Semantic roles & 50–950 ramp

primary

#4250CB

secondary

#D2CC97

accent

#D148E0

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0D0A15

muted

#7D7C83

Preview Lab

Preview with #4250CB

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

Preview Lab → · Contrast checker → · Palette generator →