#234CB0#234CB0

#234CB0 is a mid, vivid blue. Relative luminance 0.087; OKLCH L 45.1% C 0.166 H 264.0°. Best body text is #FFFFFF at 7.69:1 contrast (WCAG AA passes).

Color values

HEX	#234CB0
RGB	rgb(35, 76, 176)
HSL	hsl(223, 67%, 41%)
HSV	hsv(223, 80%, 69%)
CMYK	cmyk(80.1%, 56.8%, 0%, 31%)
CIE-LAB	lab(35.32, 23.27, -57.28)
CIE-LCH	lch(35.32, 61.83, 292.11°)
OKLab	oklab(45.08% -0.0174 -0.1654)
OKLCH	oklch(45.08% 0.166 264)
XYZ	xyz(11.1113, 8.6595, 42.1517)
Luminance	0.0866 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#234CB0 #B08723

analogous

#2393B0 #234CB0 #4123B0

triadic

#234CB0 #B0234C #4CB023

tetradic

#234CB0 #B02393 #B08723 #23B041

square

#234CB0 #B02393 #B08723 #23B041

split-complementary

#234CB0 #B04123 #93B023

monochromatic

#0F204A #19367D #234CB0 #3967D8 #6C8EE2

Accessibility & contrast

On white

7.69

#234CB0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#234CB0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #234CB0

7.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##234CB0	#FFFFFF	#000000	##FFFFFF
##234CB0	1.00	7.69	2.73	7.69
#FFFFFF	7.69	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AB3

Deuteranopia (green-blind)

#004DAE

Tritanopia (blue-blind)

#006576

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #234cb0;
/* rgb */ color: rgb(35, 76, 176);
/* oklch */ color: oklch(45.1% 0.166 264.0);

Tailwind

colors: {
  custom: {
    50: '#757dc8',
    500: '#234cb0',
    950: '#000000',
  },
}

SCSS

$custom: #234cb0;
$custom-light: #757dc8;
$custom-dark: #000000;

JSON

{
  "hex": "#234cb0",
  "rgb": {
    "r": 35,
    "g": 76,
    "b": 176
  },
  "hsl": {
    "h": 222.553,
    "s": 66.825,
    "l": 41.373
  },
  "oklch": {
    "l": 0.45081,
    "c": 0.1663,
    "h": 264
  },
  "luminance": 0.08661
}

Semantic roles & 50–950 ramp

primary

#234CB0

secondary

#C8AC67

accent

#B83EEA

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #234CB0

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

Preview Lab → · Contrast checker → · Palette generator →