#234F79#234F79

#234F79 is a dark, moderate cyan. Relative luminance 0.073; OKLCH L 41.8% C 0.086 H 249.7°. Best body text is #FFFFFF at 8.52:1 contrast (WCAG AA passes).

Color values

HEX	#234F79
RGB	rgb(35, 79, 121)
HSL	hsl(209, 55%, 31%)
HSV	hsv(209, 71%, 47%)
CMYK	cmyk(71.1%, 34.7%, 0%, 52.5%)
CIE-LAB	lab(32.54, -0.27, -28.33)
CIE-LCH	lch(32.54, 28.33, 269.45°)
OKLab	oklab(41.78% -0.0297 -0.0803)
OKLCH	oklch(41.78% 0.086 249.7)
XYZ	xyz(6.9390, 7.3290, 19.1344)
Luminance	0.0733 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#234F79 #794D23

analogous

#237978 #234F79 #232479

triadic

#234F79 #79234F #4F7923

tetradic

#234F79 #782379 #794D23 #247923

square

#234F79 #782379 #794D23 #247923

split-complementary

#234F79 #792324 #797823

monochromatic

#08111A #15304A #234F79 #316EA8 #4B8DCB

Accessibility & contrast

On white

8.52

#234F79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#234F79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #234F79

8.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##234F79	#FFFFFF	#000000	##FFFFFF
##234F79	1.00	8.52	2.47	8.52
#FFFFFF	8.52	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C517B

Deuteranopia (green-blind)

#304978

Tritanopia (blue-blind)

#00595E

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #234f79;
/* rgb */ color: rgb(35, 79, 121);
/* oklch */ color: oklch(41.8% 0.086 249.7);

Tailwind

colors: {
  custom: {
    50: '#6980a0',
    500: '#234f79',
    950: '#000000',
  },
}

SCSS

$custom: #234f79;
$custom-light: #6980a0;
$custom-dark: #000000;

JSON

{
  "hex": "#234f79",
  "rgb": {
    "r": 35,
    "g": 79,
    "b": 121
  },
  "hsl": {
    "h": 209.302,
    "s": 55.128,
    "l": 30.588
  },
  "oklch": {
    "l": 0.41775,
    "c": 0.08562,
    "h": 249.7
  },
  "luminance": 0.0733
}

Semantic roles & 50–950 ramp

primary

#234F79

secondary

#AC7B4C

accent

#9249DE

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#070A0E

muted

#7A7C7E

Preview Lab

Preview with #234F79

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

Preview Lab → · Contrast checker → · Palette generator →