#234CB9#234CB9

#234CB9 is a mid, vivid blue. Relative luminance 0.090; OKLCH L 45.8% C 0.178 H 264.6°. Best body text is #FFFFFF at 7.48:1 contrast (WCAG AA passes).

Color values

HEX	#234CB9
RGB	rgb(35, 76, 185)
HSL	hsl(224, 68%, 43%)
HSV	hsv(224, 81%, 73%)
CMYK	cmyk(81.1%, 58.9%, 0%, 27.5%)
CIE-LAB	lab(36.04, 26.75, -61.43)
CIE-LCH	lch(36.04, 67.00, 293.53°)
OKLab	oklab(45.84% -0.0169 -0.1776)
OKLCH	oklch(45.84% 0.178 264.6)
XYZ	xyz(12.0314, 9.0276, 46.9979)
Luminance	0.0903 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#234CB9 #B99023

analogous

#2397B9 #234CB9 #4523B9

triadic

#234CB9 #B9234C #4CB923

tetradic

#234CB9 #B92397 #B99023 #23B945

square

#234CB9 #B92397 #B99023 #23B945

split-complementary

#234CB9 #B94523 #97B923

monochromatic

#102252 #193786 #234CB9 #3F69DB #7291E4

Accessibility & contrast

On white

7.48

#234CB9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.81

#234CB9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #234CB9

7.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##234CB9	#FFFFFF	#000000	##FFFFFF
##234CB9	1.00	7.48	2.81	7.48
#FFFFFF	7.48	1.00	21.00	1.00
#000000	2.81	21.00	1.00	21.00
##FFFFFF	7.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CBD

Deuteranopia (green-blind)

#004EB7

Tritanopia (blue-blind)

#00687B

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #234cb9;
/* rgb */ color: rgb(35, 76, 185);
/* oklch */ color: oklch(45.8% 0.178 264.6);

Tailwind

colors: {
  custom: {
    50: '#787dcf',
    500: '#234cb9',
    950: '#000000',
  },
}

SCSS

$custom: #234cb9;
$custom-light: #787dcf;
$custom-dark: #000000;

JSON

{
  "hex": "#234cb9",
  "rgb": {
    "r": 35,
    "g": 76,
    "b": 185
  },
  "hsl": {
    "h": 223.6,
    "s": 68.182,
    "l": 43.137
  },
  "oklch": {
    "l": 0.45843,
    "c": 0.17838,
    "h": 264.6
  },
  "luminance": 0.09029
}

Semantic roles & 50–950 ramp

primary

#234CB9

secondary

#CBB16D

accent

#BB3DEB

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0A0914

muted

#7C7B82

Preview Lab

Preview with #234CB9

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

Preview Lab → · Contrast checker → · Palette generator →