#234FB0#234FB0

#234FB0 is a mid, vivid blue. Relative luminance 0.091; OKLCH L 45.7% C 0.163 H 263.1°. Best body text is #FFFFFF at 7.46:1 contrast (WCAG AA passes).

Color values

HEX	#234FB0
RGB	rgb(35, 79, 176)
HSL	hsl(221, 67%, 41%)
HSV	hsv(221, 80%, 69%)
CMYK	cmyk(80.1%, 55.1%, 0%, 31%)
CIE-LAB	lab(36.14, 21.27, -55.94)
CIE-LCH	lch(36.14, 59.85, 290.82°)
OKLab	oklab(45.7% -0.0195 -0.1614)
OKLCH	oklch(45.7% 0.163 263.1)
XYZ	xyz(11.3228, 9.0825, 42.2222)
Luminance	0.0908 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#234FB0 #B08423

analogous

#2396B0 #234FB0 #3E23B0

triadic

#234FB0 #B0234F #4FB023

tetradic

#234FB0 #B02396 #B08423 #23B03E

square

#234FB0 #B02396 #B08423 #23B03E

split-complementary

#234FB0 #B03E23 #96B023

monochromatic

#0F214A #19387D #234FB0 #396AD8 #6C91E2

Accessibility & contrast

On white

7.46

#234FB0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#234FB0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #234FB0

7.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##234FB0	#FFFFFF	#000000	##FFFFFF
##234FB0	1.00	7.46	2.82	7.46
#FFFFFF	7.46	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CB3

Deuteranopia (green-blind)

#004FAE

Tritanopia (blue-blind)

#006777

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #234fb0;
/* rgb */ color: rgb(35, 79, 176);
/* oklch */ color: oklch(45.7% 0.163 263.1);

Tailwind

colors: {
  custom: {
    50: '#757fc8',
    500: '#234fb0',
    950: '#000000',
  },
}

SCSS

$custom: #234fb0;
$custom-light: #757fc8;
$custom-dark: #000000;

JSON

{
  "hex": "#234fb0",
  "rgb": {
    "r": 35,
    "g": 79,
    "b": 176
  },
  "hsl": {
    "h": 221.277,
    "s": 66.825,
    "l": 41.373
  },
  "oklch": {
    "l": 0.45702,
    "c": 0.16257,
    "h": 263.1
  },
  "luminance": 0.09084
}

Semantic roles & 50–950 ramp

primary

#234FB0

secondary

#C8AA67

accent

#B43EEA

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #234FB0

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

Preview Lab → · Contrast checker → · Palette generator →