#234CA4#234CA4

#234CA4 is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.1% C 0.150 H 262.9°. Best body text is #FFFFFF at 7.95:1 contrast (WCAG AA passes).

Color values

HEX	#234CA4
RGB	rgb(35, 76, 164)
HSL	hsl(221, 65%, 39%)
HSV	hsv(221, 79%, 64%)
CMYK	cmyk(78.7%, 53.7%, 0%, 35.7%)
CIE-LAB	lab(34.41, 18.58, -51.61)
CIE-LCH	lch(34.41, 54.85, 289.80°)
OKLab	oklab(44.1% -0.0184 -0.1487)
OKLCH	oklch(44.1% 0.15 262.9)
XYZ	xyz(9.9760, 8.2054, 36.1728)
Luminance	0.0821 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#234CA4 #A47B23

analogous

#238DA4 #234CA4 #3B23A4

triadic

#234CA4 #A4234C #4CA423

tetradic

#234CA4 #A4238D #A47B23 #23A43B

square

#234CA4 #A4238D #A47B23 #23A43B

split-complementary

#234CA4 #A43B23 #8DA423

monochromatic

#0D1D3F #183572 #234CA4 #3165D3 #648ADE

Accessibility & contrast

On white

7.95

#234CA4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#234CA4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #234CA4

7.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##234CA4	#FFFFFF	#000000	##FFFFFF
##234CA4	1.00	7.95	2.64	7.95
#FFFFFF	7.95	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0857A7

Deuteranopia (green-blind)

#004BA2

Tritanopia (blue-blind)

#006170

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #234ca4;
/* rgb */ color: rgb(35, 76, 164);
/* oklch */ color: oklch(44.1% 0.150 262.9);

Tailwind

colors: {
  custom: {
    50: '#727dc0',
    500: '#234ca4',
    950: '#000000',
  },
}

SCSS

$custom: #234ca4;
$custom-light: #727dc0;
$custom-dark: #000000;

JSON

{
  "hex": "#234ca4",
  "rgb": {
    "r": 35,
    "g": 76,
    "b": 164
  },
  "hsl": {
    "h": 220.93,
    "s": 64.824,
    "l": 39.02
  },
  "oklch": {
    "l": 0.44102,
    "c": 0.14984,
    "h": 262.9
  },
  "luminance": 0.08207
}

Semantic roles & 50–950 ramp

primary

#234CA4

secondary

#C3A460

accent

#B240E8

background

#F7F7FB

surface

#EDEEF7

border

#C8C9D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #234CA4

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

Preview Lab → · Contrast checker → · Palette generator →