#234FB4#234FB4

#234FB4 is a mid, vivid blue. Relative luminance 0.092; OKLCH L 46.0% C 0.168 H 263.5°. Best body text is #FFFFFF at 7.37:1 contrast (WCAG AA passes).

Color values

HEX	#234FB4
RGB	rgb(35, 79, 180)
HSL	hsl(222, 67%, 42%)
HSV	hsv(222, 81%, 71%)
CMYK	cmyk(80.6%, 56.1%, 0%, 29.4%)
CIE-LAB	lab(36.45, 22.83, -57.81)
CIE-LCH	lch(36.45, 62.16, 291.55°)
OKLab	oklab(46.03% -0.0192 -0.1669)
OKLCH	oklch(46.03% 0.168 263.5)
XYZ	xyz(11.7244, 9.2432, 44.3374)
Luminance	0.0925 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#234FB4 #B48823

analogous

#2398B4 #234FB4 #3F23B4

triadic

#234FB4 #B4234F #4FB423

tetradic

#234FB4 #B42398 #B48823 #23B43F

square

#234FB4 #B42398 #B48823 #23B43F

split-complementary

#234FB4 #B43F23 #98B423

monochromatic

#0F224E #193981 #234FB4 #3B6BD9 #6E92E3

Accessibility & contrast

On white

7.37

#234FB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.85

#234FB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #234FB4

7.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##234FB4	#FFFFFF	#000000	##FFFFFF
##234FB4	1.00	7.37	2.85	7.37
#FFFFFF	7.37	1.00	21.00	1.00
#000000	2.85	21.00	1.00	21.00
##FFFFFF	7.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DB7

Deuteranopia (green-blind)

#004FB2

Tritanopia (blue-blind)

#006879

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #234fb4;
/* rgb */ color: rgb(35, 79, 180);
/* oklch */ color: oklch(46.0% 0.168 263.5);

Tailwind

colors: {
  custom: {
    50: '#767fcb',
    500: '#234fb4',
    950: '#000000',
  },
}

SCSS

$custom: #234fb4;
$custom-light: #767fcb;
$custom-dark: #000000;

JSON

{
  "hex": "#234fb4",
  "rgb": {
    "r": 35,
    "g": 79,
    "b": 180
  },
  "hsl": {
    "h": 221.793,
    "s": 67.442,
    "l": 42.157
  },
  "oklch": {
    "l": 0.46029,
    "c": 0.168,
    "h": 263.5
  },
  "luminance": 0.09245
}

Semantic roles & 50–950 ramp

primary

#234FB4

secondary

#C9AC69

accent

#B63DEA

background

#F7F7FC

surface

#EEEEF9

border

#C9C9D2

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #234FB4

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

Preview Lab → · Contrast checker → · Palette generator →