#263B56#263B56

#263B56 is a dark, muted cyan. Relative luminance 0.042; OKLCH L 34.8% C 0.055 H 255.2°. Best body text is #FFFFFF at 11.40:1 contrast (WCAG AA passes).

Color values

HEX	#263B56
RGB	rgb(38, 59, 86)
HSL	hsl(214, 39%, 24%)
HSV	hsv(214, 56%, 34%)
CMYK	cmyk(55.8%, 31.4%, 0%, 66.3%)
CIE-LAB	lab(24.36, 0.57, -18.82)
CIE-LCH	lch(24.36, 18.82, 271.73°)
OKLab	oklab(34.78% -0.014 -0.0528)
OKLCH	oklch(34.78% 0.055 255.2)
XYZ	xyz(4.0424, 4.2116, 9.4022)
Luminance	0.0421 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263B56 #564126

analogous

#265356 #263B56 #292656

triadic

#263B56 #56263B #3B5626

tetradic

#263B56 #562653 #564126 #265629

square

#263B56 #562653 #564126 #265629

split-complementary

#263B56 #562926 #535626

monochromatic

#090F15 #131E2C #263B56 #395880 #4C75AB

Accessibility & contrast

On white

11.40

#263B56 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#263B56 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263B56

11.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263B56	#FFFFFF	#000000	##FFFFFF
##263B56	1.00	11.40	1.84	11.40
#FFFFFF	11.40	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#303C57

Deuteranopia (green-blind)

#2A3855

Tritanopia (blue-blind)

#0E4144

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #263b56;
/* rgb */ color: rgb(38, 59, 86);
/* oklch */ color: oklch(34.8% 0.055 255.2);

Tailwind

colors: {
  custom: {
    50: '#647085',
    500: '#263b56',
    950: '#000000',
  },
}

SCSS

$custom: #263b56;
$custom-light: #647085;
$custom-dark: #000000;

JSON

{
  "hex": "#263b56",
  "rgb": {
    "r": 38,
    "g": 59,
    "b": 86
  },
  "hsl": {
    "h": 213.75,
    "s": 38.71,
    "l": 24.314
  },
  "oklch": {
    "l": 0.34784,
    "c": 0.05461,
    "h": 255.2
  },
  "luminance": 0.04212
}

Semantic roles & 50–950 ramp

primary

#263B56

secondary

#89704F

accent

#9B59CF

background

#F6F6F8

surface

#EBECEF

border

#C6C7CA

text

#06070B

muted

#7A7A7C

Preview Lab

Preview with #263B56

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

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