#234CA5#234CA5

#234CA5 is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.2% C 0.151 H 263.0°. Best body text is #FFFFFF at 7.93:1 contrast (WCAG AA passes).

Color values

HEX	#234CA5
RGB	rgb(35, 76, 165)
HSL	hsl(221, 65%, 39%)
HSV	hsv(221, 79%, 65%)
CMYK	cmyk(78.8%, 53.9%, 0%, 35.3%)
CIE-LAB	lab(34.48, 18.97, -52.09)
CIE-LCH	lch(34.48, 55.44, 290.02°)
OKLab	oklab(44.18% -0.0183 -0.1501)
OKLCH	oklch(44.18% 0.151 263)
XYZ	xyz(10.0667, 8.2417, 36.6503)
Luminance	0.0824 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#234CA5 #A57C23

analogous

#238DA5 #234CA5 #3B23A5

triadic

#234CA5 #A5234C #4CA523

tetradic

#234CA5 #A5238D #A57C23 #23A53B

square

#234CA5 #A5238D #A57C23 #23A53B

split-complementary

#234CA5 #A53B23 #8DA523

monochromatic

#0E1D40 #183573 #234CA5 #3265D3 #648BDE

Accessibility & contrast

On white

7.93

#234CA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#234CA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #234CA5

7.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##234CA5	#FFFFFF	#000000	##FFFFFF
##234CA5	1.00	7.93	2.65	7.93
#FFFFFF	7.93	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0557A8

Deuteranopia (green-blind)

#004BA3

Tritanopia (blue-blind)

#006271

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #234ca5;
/* rgb */ color: rgb(35, 76, 165);
/* oklch */ color: oklch(44.2% 0.151 263.0);

Tailwind

colors: {
  custom: {
    50: '#737dc0',
    500: '#234ca5',
    950: '#000000',
  },
}

SCSS

$custom: #234ca5;
$custom-light: #737dc0;
$custom-dark: #000000;

JSON

{
  "hex": "#234ca5",
  "rgb": {
    "r": 35,
    "g": 76,
    "b": 165
  },
  "hsl": {
    "h": 221.077,
    "s": 65,
    "l": 39.216
  },
  "oklch": {
    "l": 0.44182,
    "c": 0.15123,
    "h": 263
  },
  "luminance": 0.08243
}

Semantic roles & 50–950 ramp

primary

#234CA5

secondary

#C4A460

accent

#B340E8

background

#F7F7FB

surface

#EEEEF7

border

#C9C9D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #234CA5

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

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