#234D7B#234D7B

#234D7B is a dark, moderate cyan. Relative luminance 0.071; OKLCH L 41.4% C 0.090 H 252.6°. Best body text is #FFFFFF at 8.68:1 contrast (WCAG AA passes).

Color values

HEX	#234D7B
RGB	rgb(35, 77, 123)
HSL	hsl(211, 56%, 31%)
HSV	hsv(211, 72%, 48%)
CMYK	cmyk(71.5%, 37.4%, 0%, 51.8%)
CIE-LAB	lab(32.02, 1.80, -30.40)
CIE-LCH	lch(32.02, 30.45, 273.39°)
OKLab	oklab(41.4% -0.027 -0.0864)
OKLCH	oklch(41.4% 0.09 252.6)
XYZ	xyz(6.9208, 7.0944, 19.7397)
Luminance	0.0709 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#234D7B #7B5123

analogous

#23797B #234D7B #25237B

triadic

#234D7B #7B234D #4D7B23

tetradic

#234D7B #7B2379 #7B5123 #237B25

square

#234D7B #7B2379 #7B5123 #237B25

split-complementary

#234D7B #7B2523 #797B23

monochromatic

#08111C #152F4B #234D7B #316BAB #4C89CC

Accessibility & contrast

On white

8.68

#234D7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#234D7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #234D7B

8.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##234D7B	#FFFFFF	#000000	##FFFFFF
##234D7B	1.00	8.68	2.42	8.68
#FFFFFF	8.68	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#38507D

Deuteranopia (green-blind)

#2C487A

Tritanopia (blue-blind)

#00585E

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #234d7b;
/* rgb */ color: rgb(35, 77, 123);
/* oklch */ color: oklch(41.4% 0.090 252.6);

Tailwind

colors: {
  custom: {
    50: '#697ea1',
    500: '#234d7b',
    950: '#000000',
  },
}

SCSS

$custom: #234d7b;
$custom-light: #697ea1;
$custom-dark: #000000;

JSON

{
  "hex": "#234d7b",
  "rgb": {
    "r": 35,
    "g": 77,
    "b": 123
  },
  "hsl": {
    "h": 211.364,
    "s": 55.696,
    "l": 30.98
  },
  "oklch": {
    "l": 0.41401,
    "c": 0.09049,
    "h": 252.6
  },
  "luminance": 0.07095
}

Semantic roles & 50–950 ramp

primary

#234D7B

secondary

#AE7F4C

accent

#9749DF

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#07090F

muted

#7A7B7E

Preview Lab

Preview with #234D7B

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

Preview Lab → · Contrast checker → · Palette generator →