#234D79#234D79

#234D79 is a dark, moderate cyan. Relative luminance 0.070; OKLCH L 41.3% C 0.088 H 251.7°. Best body text is #FFFFFF at 8.72:1 contrast (WCAG AA passes).

Color values

HEX	#234D79
RGB	rgb(35, 77, 121)
HSL	hsl(211, 55%, 31%)
HSV	hsv(211, 71%, 47%)
CMYK	cmyk(71.1%, 36.4%, 0%, 52.5%)
CIE-LAB	lab(31.91, 1.03, -29.33)
CIE-LCH	lch(31.91, 29.35, 272.02°)
OKLab	oklab(41.28% -0.0276 -0.0832)
OKLCH	oklch(41.28% 0.088 251.7)
XYZ	xyz(6.7969, 7.0448, 19.0870)
Luminance	0.0705 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#234D79 #794F23

analogous

#237879 #234D79 #242379

triadic

#234D79 #79234D #4D7923

tetradic

#234D79 #792378 #794F23 #237924

square

#234D79 #792378 #794F23 #237924

split-complementary

#234D79 #792423 #787923

monochromatic

#08111A #152F4A #234D79 #316BA8 #4B8ACB

Accessibility & contrast

On white

8.72

#234D79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#234D79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #234D79

8.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##234D79	#FFFFFF	#000000	##FFFFFF
##234D79	1.00	8.72	2.41	8.72
#FFFFFF	8.72	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#39507B

Deuteranopia (green-blind)

#2D4778

Tritanopia (blue-blind)

#00575D

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #234d79;
/* rgb */ color: rgb(35, 77, 121);
/* oklch */ color: oklch(41.3% 0.088 251.7);

Tailwind

colors: {
  custom: {
    50: '#697ea0',
    500: '#234d79',
    950: '#000000',
  },
}

SCSS

$custom: #234d79;
$custom-light: #697ea0;
$custom-dark: #000000;

JSON

{
  "hex": "#234d79",
  "rgb": {
    "r": 35,
    "g": 77,
    "b": 121
  },
  "hsl": {
    "h": 210.698,
    "s": 55.128,
    "l": 30.588
  },
  "oklch": {
    "l": 0.41276,
    "c": 0.08769,
    "h": 251.7
  },
  "luminance": 0.07046
}

Semantic roles & 50–950 ramp

primary

#234D79

secondary

#AC7D4C

accent

#9649DE

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#07090E

muted

#7A7B7E

Preview Lab

Preview with #234D79

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

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