#4250BB#4250BB

#4250BB is a mid, vivid blue. Relative luminance 0.105; OKLCH L 48.3% C 0.168 H 272.8°. Best body text is #FFFFFF at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#4250BB
RGB	rgb(66, 80, 187)
HSL	hsl(233, 48%, 50%)
HSV	hsv(233, 65%, 73%)
CMYK	cmyk(64.7%, 57.2%, 0%, 26.7%)
CIE-LAB	lab(38.69, 28.82, -58.22)
CIE-LCH	lch(38.69, 64.96, 296.34°)
OKLab	oklab(48.28% 0.0082 -0.1674)
OKLCH	oklch(48.28% 0.168 272.8)
XYZ	xyz(14.0821, 10.4822, 48.2852)
Luminance	0.1048 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4250BB #BBAD42

analogous

#428DBB #4250BB #7142BB

triadic

#4250BB #BB4250 #50BB42

tetradic

#4250BB #BB428D #BBAD42 #42BB71

square

#4250BB #BB428D #BBAD42 #42BB71

split-complementary

#4250BB #BB7142 #8DBB42

monochromatic

#222961 #323D8E #4250BB #6E79CC #9CA3DC

Accessibility & contrast

On white

6.78

#4250BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#4250BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4250BB

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4250BB	#FFFFFF	#000000	##FFFFFF
##4250BB	1.00	6.78	3.10	6.78
#FFFFFF	6.78	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061BF

Deuteranopia (green-blind)

#0056B9

Tritanopia (blue-blind)

#006A7D

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #4250bb;
/* rgb */ color: rgb(66, 80, 187);
/* oklch */ color: oklch(48.3% 0.168 272.8);

Tailwind

colors: {
  custom: {
    50: '#8481d0',
    500: '#4250bb',
    950: '#000000',
  },
}

SCSS

$custom: #4250bb;
$custom-light: #8481d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4250bb",
  "rgb": {
    "r": 66,
    "g": 80,
    "b": 187
  },
  "hsl": {
    "h": 233.058,
    "s": 47.826,
    "l": 49.608
  },
  "oklch": {
    "l": 0.48276,
    "c": 0.16764,
    "h": 272.8
  },
  "luminance": 0.10483
}

Semantic roles & 50–950 ramp

primary

#4250BB

secondary

#C8C291

accent

#C850D7

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0C0A14

muted

#7D7C82

Preview Lab

Preview with #4250BB

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

Preview Lab → · Contrast checker → · Palette generator →