#263D5A#263D5A

#263D5A is a dark, muted cyan. Relative luminance 0.045; OKLCH L 35.5% C 0.059 H 254.8°. Best body text is #FFFFFF at 11.07:1 contrast (WCAG AA passes).

Color values

HEX	#263D5A
RGB	rgb(38, 61, 90)
HSL	hsl(213, 41%, 25%)
HSV	hsv(213, 58%, 35%)
CMYK	cmyk(57.8%, 32.2%, 0%, 64.7%)
CIE-LAB	lab(25.22, 0.66, -20.09)
CIE-LCH	lch(25.22, 20.10, 271.88°)
OKLab	oklab(35.53% -0.0153 -0.0565)
OKLCH	oklch(35.53% 0.059 254.8)
XYZ	xyz(4.3129, 4.4874, 10.3098)
Luminance	0.0449 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263D5A #5A4326

analogous

#26575A #263D5A #29265A

triadic

#263D5A #5A263D #3D5A26

tetradic

#263D5A #5A2657 #5A4326 #265A29

square

#263D5A #5A2657 #5A4326 #265A29

split-complementary

#263D5A #5A2926 #575A26

monochromatic

#090F16 #14202F #263D5A #385A85 #4A77B0

Accessibility & contrast

On white

11.07

#263D5A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#263D5A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263D5A

11.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263D5A	#FFFFFF	#000000	##FFFFFF
##263D5A	1.00	11.07	1.90	11.07
#FFFFFF	11.07	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#313F5B

Deuteranopia (green-blind)

#2B3A59

Tritanopia (blue-blind)

#084447

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #263d5a;
/* rgb */ color: rgb(38, 61, 90);
/* oklch */ color: oklch(35.5% 0.059 254.8);

Tailwind

colors: {
  custom: {
    50: '#647288',
    500: '#263d5a',
    950: '#000000',
  },
}

SCSS

$custom: #263d5a;
$custom-light: #647288;
$custom-dark: #000000;

JSON

{
  "hex": "#263d5a",
  "rgb": {
    "r": 38,
    "g": 61,
    "b": 90
  },
  "hsl": {
    "h": 213.462,
    "s": 40.625,
    "l": 25.098
  },
  "oklch": {
    "l": 0.35528,
    "c": 0.05851,
    "h": 254.8
  },
  "luminance": 0.04488
}

Semantic roles & 50–950 ramp

primary

#263D5A

secondary

#8D724F

accent

#9B57D0

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#06070B

muted

#7A7A7C

Preview Lab

Preview with #263D5A

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

Preview Lab → · Contrast checker → · Palette generator →