#234CB4#234CB4

#234CB4 is a mid, vivid blue. Relative luminance 0.088; OKLCH L 45.4% C 0.172 H 264.3°. Best body text is #FFFFFF at 7.60:1 contrast (WCAG AA passes).

Color values

HEX	#234CB4
RGB	rgb(35, 76, 180)
HSL	hsl(223, 67%, 42%)
HSV	hsv(223, 81%, 71%)
CMYK	cmyk(80.6%, 57.8%, 0%, 29.4%)
CIE-LAB	lab(35.64, 24.82, -59.13)
CIE-LCH	lch(35.64, 64.13, 292.77°)
OKLab	oklab(45.42% -0.0172 -0.1708)
OKLCH	oklch(45.42% 0.172 264.3)
XYZ	xyz(11.5129, 8.8201, 44.2668)
Luminance	0.0882 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#234CB4 #B48B23

analogous

#2395B4 #234CB4 #4223B4

triadic

#234CB4 #B4234C #4CB423

tetradic

#234CB4 #B42395 #B48B23 #23B442

square

#234CB4 #B42395 #B48B23 #23B442

split-complementary

#234CB4 #B44223 #95B423

monochromatic

#0F214E #193681 #234CB4 #3B68D9 #6E8FE3

Accessibility & contrast

On white

7.60

#234CB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#234CB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #234CB4

7.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##234CB4	#FFFFFF	#000000	##FFFFFF
##234CB4	1.00	7.60	2.76	7.60
#FFFFFF	7.60	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BB8

Deuteranopia (green-blind)

#004DB2

Tritanopia (blue-blind)

#006678

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #234cb4;
/* rgb */ color: rgb(35, 76, 180);
/* oklch */ color: oklch(45.4% 0.172 264.3);

Tailwind

colors: {
  custom: {
    50: '#767dcb',
    500: '#234cb4',
    950: '#000000',
  },
}

SCSS

$custom: #234cb4;
$custom-light: #767dcb;
$custom-dark: #000000;

JSON

{
  "hex": "#234cb4",
  "rgb": {
    "r": 35,
    "g": 76,
    "b": 180
  },
  "hsl": {
    "h": 223.034,
    "s": 67.442,
    "l": 42.157
  },
  "oklch": {
    "l": 0.45417,
    "c": 0.17169,
    "h": 264.3
  },
  "luminance": 0.08821
}

Semantic roles & 50–950 ramp

primary

#234CB4

secondary

#C9AE69

accent

#B93DEA

background

#F7F7FC

surface

#EEEEF9

border

#C9C9D2

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #234CB4

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

Preview Lab → · Contrast checker → · Palette generator →