#234FAF#234FAF

#234FAF is a mid, vivid blue. Relative luminance 0.090; OKLCH L 45.6% C 0.161 H 263.0°. Best body text is #FFFFFF at 7.48:1 contrast (WCAG AA passes).

Color values

HEX	#234FAF
RGB	rgb(35, 79, 175)
HSL	hsl(221, 67%, 41%)
HSV	hsv(221, 80%, 69%)
CMYK	cmyk(80%, 54.9%, 0%, 31.4%)
CIE-LAB	lab(36.07, 20.88, -55.47)
CIE-LCH	lch(36.07, 59.27, 290.63°)
OKLab	oklab(45.62% -0.0196 -0.16)
OKLCH	oklch(45.62% 0.161 263)
XYZ	xyz(11.2242, 9.0431, 41.7031)
Luminance	0.0904 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#234FAF #AF8323

analogous

#2395AF #234FAF #3D23AF

triadic

#234FAF #AF234F #4FAF23

tetradic

#234FAF #AF2395 #AF8323 #23AF3D

square

#234FAF #AF2395 #AF8323 #23AF3D

split-complementary

#234FAF #AF3D23 #95AF23

monochromatic

#0F2149 #19387C #234FAF #386AD7 #6B90E1

Accessibility & contrast

On white

7.48

#234FAF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.81

#234FAF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #234FAF

7.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##234FAF	#FFFFFF	#000000	##FFFFFF
##234FAF	1.00	7.48	2.81	7.48
#FFFFFF	7.48	1.00	21.00	1.00
#000000	2.81	21.00	1.00	21.00
##FFFFFF	7.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CB2

Deuteranopia (green-blind)

#004FAD

Tritanopia (blue-blind)

#006777

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #234faf;
/* rgb */ color: rgb(35, 79, 175);
/* oklch */ color: oklch(45.6% 0.161 263.0);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#234faf",
  "rgb": {
    "r": 35,
    "g": 79,
    "b": 175
  },
  "hsl": {
    "h": 221.143,
    "s": 66.667,
    "l": 41.176
  },
  "oklch": {
    "l": 0.4562,
    "c": 0.16121,
    "h": 263
  },
  "luminance": 0.09044
}

Semantic roles & 50–950 ramp

primary

#234FAF

secondary

#C7A966

accent

#B43EEA

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #234FAF

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

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