#234CA8#234CA8

#234CA8 is a dark, vivid blue. Relative luminance 0.084; OKLCH L 44.4% C 0.155 H 263.3°. Best body text is #FFFFFF at 7.86:1 contrast (WCAG AA passes).

Color values

HEX	#234CA8
RGB	rgb(35, 76, 168)
HSL	hsl(222, 66%, 40%)
HSV	hsv(222, 79%, 66%)
CMYK	cmyk(79.2%, 54.8%, 0%, 34.1%)
CIE-LAB	lab(34.71, 20.15, -53.52)
CIE-LCH	lch(34.71, 57.19, 290.63°)
OKLab	oklab(44.42% -0.018 -0.1543)
OKLCH	oklch(44.42% 0.155 263.3)
XYZ	xyz(10.3429, 8.3522, 38.1052)
Luminance	0.0835 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#234CA8 #A87F23

analogous

#238EA8 #234CA8 #3D23A8

triadic

#234CA8 #A8234C #4CA823

tetradic

#234CA8 #A8238E #A87F23 #23A83D

square

#234CA8 #A8238E #A87F23 #23A83D

split-complementary

#234CA8 #A83D23 #8EA823

monochromatic

#0E1E43 #183575 #234CA8 #3465D5 #668CDF

Accessibility & contrast

On white

7.86

#234CA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#234CA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #234CA8

7.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##234CA8	#FFFFFF	#000000	##FFFFFF
##234CA8	1.00	7.86	2.67	7.86
#FFFFFF	7.86	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058AB

Deuteranopia (green-blind)

#004CA6

Tritanopia (blue-blind)

#006372

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #234ca8;
/* rgb */ color: rgb(35, 76, 168);
/* oklch */ color: oklch(44.4% 0.155 263.3);

Tailwind

colors: {
  custom: {
    50: '#737dc3',
    500: '#234ca8',
    950: '#000000',
  },
}

SCSS

$custom: #234ca8;
$custom-light: #737dc3;
$custom-dark: #000000;

JSON

{
  "hex": "#234ca8",
  "rgb": {
    "r": 35,
    "g": 76,
    "b": 168
  },
  "hsl": {
    "h": 221.504,
    "s": 65.517,
    "l": 39.804
  },
  "oklch": {
    "l": 0.44423,
    "c": 0.15538,
    "h": 263.3
  },
  "luminance": 0.08353
}

Semantic roles & 50–950 ramp

primary

#234CA8

secondary

#C5A662

accent

#B43FE8

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#090912

muted

#7B7B81

Preview Lab

Preview with #234CA8

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

Preview Lab → · Contrast checker → · Palette generator →