#234CB5#234CB5

#234CB5 is a mid, vivid blue. Relative luminance 0.089; OKLCH L 45.5% C 0.173 H 264.3°. Best body text is #FFFFFF at 7.57:1 contrast (WCAG AA passes).

Color values

HEX	#234CB5
RGB	rgb(35, 76, 181)
HSL	hsl(223, 68%, 42%)
HSV	hsv(223, 81%, 71%)
CMYK	cmyk(80.7%, 58%, 0%, 29%)
CIE-LAB	lab(35.72, 25.21, -59.60)
CIE-LCH	lch(35.72, 64.71, 292.93°)
OKLab	oklab(45.5% -0.0171 -0.1722)
OKLCH	oklch(45.5% 0.173 264.3)
XYZ	xyz(11.6151, 8.8610, 44.8053)
Luminance	0.0886 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#234CB5 #B58C23

analogous

#2395B5 #234CB5 #4323B5

triadic

#234CB5 #B5234C #4CB523

tetradic

#234CB5 #B52395 #B58C23 #23B543

square

#234CB5 #B52395 #B58C23 #23B543

split-complementary

#234CB5 #B54323 #95B523

monochromatic

#0F214E #193682 #234CB5 #3C68D9 #6F90E3

Accessibility & contrast

On white

7.57

#234CB5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#234CB5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #234CB5

7.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##234CB5	#FFFFFF	#000000	##FFFFFF
##234CB5	1.00	7.57	2.77	7.57
#FFFFFF	7.57	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BB9

Deuteranopia (green-blind)

#004EB3

Tritanopia (blue-blind)

#006679

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #234cb5;
/* rgb */ color: rgb(35, 76, 181);
/* oklch */ color: oklch(45.5% 0.173 264.3);

Tailwind

colors: {
  custom: {
    50: '#777dcc',
    500: '#234cb5',
    950: '#000000',
  },
}

SCSS

$custom: #234cb5;
$custom-light: #777dcc;
$custom-dark: #000000;

JSON

{
  "hex": "#234cb5",
  "rgb": {
    "r": 35,
    "g": 76,
    "b": 181
  },
  "hsl": {
    "h": 223.151,
    "s": 67.593,
    "l": 42.353
  },
  "oklch": {
    "l": 0.45501,
    "c": 0.17304,
    "h": 264.3
  },
  "luminance": 0.08862
}

Semantic roles & 50–950 ramp

primary

#234CB5

secondary

#CAAF6A

accent

#BA3DEA

background

#F7F7FC

surface

#EEEEF9

border

#C9C9D2

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #234CB5

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

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