#234BA3#234BA3

#234BA3 is a dark, vivid blue. Relative luminance 0.080; OKLCH L 43.8% C 0.150 H 263.2°. Best body text is #FFFFFF at 8.06:1 contrast (WCAG AA passes).

Color values

HEX	#234BA3
RGB	rgb(35, 75, 163)
HSL	hsl(221, 65%, 39%)
HSV	hsv(221, 79%, 64%)
CMYK	cmyk(78.5%, 54%, 0%, 36.1%)
CIE-LAB	lab(34.05, 18.86, -51.59)
CIE-LCH	lch(34.05, 54.93, 290.09°)
OKLab	oklab(43.81% -0.0177 -0.1487)
OKLCH	oklch(43.81% 0.15 263.2)
XYZ	xyz(9.8177, 8.0327, 35.6763)
Luminance	0.0803 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#234BA3 #A37B23

analogous

#238BA3 #234BA3 #3B23A3

triadic

#234BA3 #A3234B #4BA323

tetradic

#234BA3 #A3238B #A37B23 #23A33B

square

#234BA3 #A3238B #A37B23 #23A33B

split-complementary

#234BA3 #A33B23 #8BA323

monochromatic

#0D1D3E #183471 #234BA3 #3163D3 #6389DD

Accessibility & contrast

On white

8.06

#234BA3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#234BA3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #234BA3

8.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##234BA3	#FFFFFF	#000000	##FFFFFF
##234BA3	1.00	8.06	2.61	8.06
#FFFFFF	8.06	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0556A6

Deuteranopia (green-blind)

#004AA1

Tritanopia (blue-blind)

#00606F

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #234ba3;
/* rgb */ color: rgb(35, 75, 163);
/* oklch */ color: oklch(43.8% 0.150 263.2);

Tailwind

colors: {
  custom: {
    50: '#727cbf',
    500: '#234ba3',
    950: '#000000',
  },
}

SCSS

$custom: #234ba3;
$custom-light: #727cbf;
$custom-dark: #000000;

JSON

{
  "hex": "#234ba3",
  "rgb": {
    "r": 35,
    "g": 75,
    "b": 163
  },
  "hsl": {
    "h": 221.25,
    "s": 64.646,
    "l": 38.824
  },
  "oklch": {
    "l": 0.43808,
    "c": 0.14971,
    "h": 263.2
  },
  "luminance": 0.08034
}

Semantic roles & 50–950 ramp

primary

#234BA3

secondary

#C3A45F

accent

#B340E8

background

#F7F7FB

surface

#EDEEF7

border

#C8C9D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #234BA3

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

Preview Lab → · Contrast checker → · Palette generator →