#234F78#234F78

#234F78 is a dark, moderate cyan. Relative luminance 0.073; OKLCH L 41.7% C 0.084 H 249.1°. Best body text is #FFFFFF at 8.53:1 contrast (WCAG AA passes).

Color values

HEX	#234F78
RGB	rgb(35, 79, 120)
HSL	hsl(209, 55%, 30%)
HSV	hsv(209, 71%, 47%)
CMYK	cmyk(70.8%, 34.2%, 0%, 52.9%)
CIE-LAB	lab(32.49, -0.65, -27.79)
CIE-LCH	lch(32.49, 27.80, 268.66°)
OKLab	oklab(41.72% -0.03 -0.0787)
OKLCH	oklch(41.72% 0.084 249.1)
XYZ	xyz(6.8780, 7.3046, 18.8131)
Luminance	0.0731 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#234F78 #784C23

analogous

#237876 #234F78 #232478

triadic

#234F78 #78234F #4F7823

tetradic

#234F78 #762378 #784C23 #247823

square

#234F78 #762378 #784C23 #247823

split-complementary

#234F78 #782324 #787623

monochromatic

#071119 #153049 #234F78 #316EA7 #4B8DCA

Accessibility & contrast

On white

8.53

#234F78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#234F78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #234F78

8.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##234F78	#FFFFFF	#000000	##FFFFFF
##234F78	1.00	8.53	2.46	8.53
#FFFFFF	8.53	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D517A

Deuteranopia (green-blind)

#314977

Tritanopia (blue-blind)

#00595E

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #234f78;
/* rgb */ color: rgb(35, 79, 120);
/* oklch */ color: oklch(41.7% 0.084 249.1);

Tailwind

colors: {
  custom: {
    50: '#69809f',
    500: '#234f78',
    950: '#000000',
  },
}

SCSS

$custom: #234f78;
$custom-light: #69809f;
$custom-dark: #000000;

JSON

{
  "hex": "#234f78",
  "rgb": {
    "r": 35,
    "g": 79,
    "b": 120
  },
  "hsl": {
    "h": 208.941,
    "s": 54.839,
    "l": 30.392
  },
  "oklch": {
    "l": 0.41715,
    "c": 0.08426,
    "h": 249.1
  },
  "luminance": 0.07305
}

Semantic roles & 50–950 ramp

primary

#234F78

secondary

#AB7A4C

accent

#914ADE

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#070A0E

muted

#7A7C7E

Preview Lab

Preview with #234F78

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

Preview Lab → · Contrast checker → · Palette generator →