#234EB4#234EB4

#234EB4 is a mid, vivid blue. Relative luminance 0.091; OKLCH L 45.8% C 0.169 H 263.7°. Best body text is #FFFFFF at 7.45:1 contrast (WCAG AA passes).

Color values

HEX	#234EB4
RGB	rgb(35, 78, 180)
HSL	hsl(222, 67%, 42%)
HSV	hsv(222, 81%, 71%)
CMYK	cmyk(80.6%, 56.7%, 0%, 29.4%)
CIE-LAB	lab(36.18, 23.49, -58.26)
CIE-LCH	lch(36.18, 62.81, 291.96°)
OKLab	oklab(45.82% -0.0185 -0.1682)
OKLCH	oklch(45.82% 0.169 263.7)
XYZ	xyz(11.6528, 9.1000, 44.3135)
Luminance	0.0910 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#234EB4 #B48923

analogous

#2397B4 #234EB4 #4123B4

triadic

#234EB4 #B4234E #4EB423

tetradic

#234EB4 #B42397 #B48923 #23B441

square

#234EB4 #B42397 #B48923 #23B441

split-complementary

#234EB4 #B44123 #97B423

monochromatic

#0F224E #193881 #234EB4 #3B6AD9 #6E91E3

Accessibility & contrast

On white

7.45

#234EB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#234EB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #234EB4

7.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##234EB4	#FFFFFF	#000000	##FFFFFF
##234EB4	1.00	7.45	2.82	7.45
#FFFFFF	7.45	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CB7

Deuteranopia (green-blind)

#004FB2

Tritanopia (blue-blind)

#006779

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #234eb4;
/* rgb */ color: rgb(35, 78, 180);
/* oklch */ color: oklch(45.8% 0.169 263.7);

Tailwind

colors: {
  custom: {
    50: '#767fcb',
    500: '#234eb4',
    950: '#000000',
  },
}

SCSS

$custom: #234eb4;
$custom-light: #767fcb;
$custom-dark: #000000;

JSON

{
  "hex": "#234eb4",
  "rgb": {
    "r": 35,
    "g": 78,
    "b": 180
  },
  "hsl": {
    "h": 222.207,
    "s": 67.442,
    "l": 42.157
  },
  "oklch": {
    "l": 0.45823,
    "c": 0.16923,
    "h": 263.7
  },
  "luminance": 0.09101
}

Semantic roles & 50–950 ramp

primary

#234EB4

secondary

#C9AD69

accent

#B73DEA

background

#F7F7FC

surface

#EEEEF9

border

#C9C9D2

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #234EB4

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

Preview Lab → · Contrast checker → · Palette generator →