#263B4A#263B4A

#263B4A is a dark, muted cyan. Relative luminance 0.040; OKLCH L 34.1% C 0.038 H 240.3°. Best body text is #FFFFFF at 11.62:1 contrast (WCAG AA passes).

Color values

HEX	#263B4A
RGB	rgb(38, 59, 74)
HSL	hsl(205, 32%, 22%)
HSV	hsv(205, 49%, 29%)
CMYK	cmyk(48.6%, 20.3%, 0%, 71%)
CIE-LAB	lab(23.78, -3.58, -11.78)
CIE-LCH	lch(23.78, 12.31, 253.07°)
OKLab	oklab(34.14% -0.0186 -0.0326)
OKLCH	oklch(34.14% 0.038 240.3)
XYZ	xyz(3.5989, 4.0342, 7.0663)
Luminance	0.0403 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263B4A #4A3526

analogous

#264A47 #263B4A #26294A

triadic

#263B4A #4A263B #3B4A26

tetradic

#263B4A #47264A #4A3526 #294A26

square

#263B4A #47264A #4A3526 #294A26

split-complementary

#263B4A #4A2629 #4A4726

monochromatic

#0A1014 #111B22 #263B4A #3B5B72 #507B9B

Accessibility & contrast

On white

11.62

#263B4A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#263B4A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263B4A

11.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263B4A	#FFFFFF	#000000	##FFFFFF
##263B4A	1.00	11.62	1.81	11.62
#FFFFFF	11.62	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#343B4B

Deuteranopia (green-blind)

#30374A

Tritanopia (blue-blind)

#173F40

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #263b4a;
/* rgb */ color: rgb(38, 59, 74);
/* oklch */ color: oklch(34.1% 0.038 240.3);

Tailwind

colors: {
  custom: {
    50: '#62707c',
    500: '#263b4a',
    950: '#000000',
  },
}

SCSS

$custom: #263b4a;
$custom-light: #62707c;
$custom-dark: #000000;

JSON

{
  "hex": "#263b4a",
  "rgb": {
    "r": 38,
    "g": 59,
    "b": 74
  },
  "hsl": {
    "h": 205,
    "s": 32.143,
    "l": 21.961
  },
  "oklch": {
    "l": 0.34142,
    "c": 0.03757,
    "h": 240.3
  },
  "luminance": 0.04034
}

Semantic roles & 50–950 ramp

primary

#263B4A

secondary

#7D624F

accent

#8B5FC8

background

#F5F6F7

surface

#EAECEE

border

#C6C7C9

text

#050709

muted

#797A7B

Preview Lab

Preview with #263B4A

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

Preview Lab → · Contrast checker → · Palette generator →