#234BB1#234BB1

#234BB1 is a dark, vivid blue. Relative luminance 0.086; OKLCH L 45.0% C 0.169 H 264.3°. Best body text is #FFFFFF at 7.74:1 contrast (WCAG AA passes).

Color values

HEX	#234BB1
RGB	rgb(35, 75, 177)
HSL	hsl(223, 67%, 42%)
HSV	hsv(223, 80%, 69%)
CMYK	cmyk(80.2%, 57.6%, 0%, 30.6%)
CIE-LAB	lab(35.13, 24.33, -58.19)
CIE-LCH	lch(35.13, 63.07, 292.69°)
OKLab	oklab(44.96% -0.0167 -0.1681)
OKLCH	oklch(44.96% 0.169 264.3)
XYZ	xyz(11.1422, 8.5625, 42.6519)
Luminance	0.0856 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#234BB1 #B18923

analogous

#2392B1 #234BB1 #4223B1

triadic

#234BB1 #B1234B #4BB123

tetradic

#234BB1 #B12392 #B18923 #23B142

square

#234BB1 #B12392 #B18923 #23B142

split-complementary

#234BB1 #B14223 #92B123

monochromatic

#0F204B #19357E #234BB1 #3966D8 #6C8EE2

Accessibility & contrast

On white

7.74

#234BB1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#234BB1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #234BB1

7.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##234BB1	#FFFFFF	#000000	##FFFFFF
##234BB1	1.00	7.74	2.71	7.74
#FFFFFF	7.74	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059B4

Deuteranopia (green-blind)

#004CAF

Tritanopia (blue-blind)

#006576

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #234bb1;
/* rgb */ color: rgb(35, 75, 177);
/* oklch */ color: oklch(45.0% 0.169 264.3);

Tailwind

colors: {
  custom: {
    50: '#767cc9',
    500: '#234bb1',
    950: '#000000',
  },
}

SCSS

$custom: #234bb1;
$custom-light: #767cc9;
$custom-dark: #000000;

JSON

{
  "hex": "#234bb1",
  "rgb": {
    "r": 35,
    "g": 75,
    "b": 177
  },
  "hsl": {
    "h": 223.099,
    "s": 66.981,
    "l": 41.569
  },
  "oklch": {
    "l": 0.44961,
    "c": 0.1689,
    "h": 264.3
  },
  "luminance": 0.08564
}

Semantic roles & 50–950 ramp

primary

#234BB1

secondary

#C8AD68

accent

#B93EEA

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #234BB1

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

Preview Lab → · Contrast checker → · Palette generator →