#234CA6#234CA6

#234CA6 is a dark, vivid blue. Relative luminance 0.083; OKLCH L 44.3% C 0.153 H 263.2°. Best body text is #FFFFFF at 7.91:1 contrast (WCAG AA passes).

Color values

HEX	#234CA6
RGB	rgb(35, 76, 166)
HSL	hsl(221, 65%, 39%)
HSV	hsv(221, 79%, 65%)
CMYK	cmyk(78.9%, 54.2%, 0%, 34.9%)
CIE-LAB	lab(34.56, 19.37, -52.57)
CIE-LCH	lch(34.56, 56.02, 290.23°)
OKLab	oklab(44.26% -0.0182 -0.1515)
OKLCH	oklch(44.26% 0.153 263.2)
XYZ	xyz(10.1581, 8.2782, 37.1315)
Luminance	0.0828 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#234CA6 #A67D23

analogous

#238EA6 #234CA6 #3B23A6

triadic

#234CA6 #A6234C #4CA623

tetradic

#234CA6 #A6238E #A67D23 #23A63B

square

#234CA6 #A6238E #A67D23 #23A63B

split-complementary

#234CA6 #A63B23 #8EA623

monochromatic

#0E1E41 #183573 #234CA6 #3265D4 #658BDF

Accessibility & contrast

On white

7.91

#234CA6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#234CA6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #234CA6

7.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##234CA6	#FFFFFF	#000000	##FFFFFF
##234CA6	1.00	7.91	2.66	7.91
#FFFFFF	7.91	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0258A9

Deuteranopia (green-blind)

#004CA4

Tritanopia (blue-blind)

#006271

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #234ca6;
/* rgb */ color: rgb(35, 76, 166);
/* oklch */ color: oklch(44.3% 0.153 263.2);

Tailwind

colors: {
  custom: {
    50: '#737dc1',
    500: '#234ca6',
    950: '#000000',
  },
}

SCSS

$custom: #234ca6;
$custom-light: #737dc1;
$custom-dark: #000000;

JSON

{
  "hex": "#234ca6",
  "rgb": {
    "r": 35,
    "g": 76,
    "b": 166
  },
  "hsl": {
    "h": 221.221,
    "s": 65.174,
    "l": 39.412
  },
  "oklch": {
    "l": 0.44262,
    "c": 0.15262,
    "h": 263.2
  },
  "luminance": 0.08279
}

Semantic roles & 50–950 ramp

primary

#234CA6

secondary

#C4A561

accent

#B340E8

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#090912

muted

#7B7B81

Preview Lab

Preview with #234CA6

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

Preview Lab → · Contrast checker → · Palette generator →