#263F5C#263F5C

#263F5C is a dark, muted cyan. Relative luminance 0.047; OKLCH L 36.2% C 0.059 H 253.0°. Best body text is #FFFFFF at 10.78:1 contrast (WCAG AA passes).

Color values

HEX	#263F5C
RGB	rgb(38, 63, 92)
HSL	hsl(212, 42%, 25%)
HSV	hsv(212, 59%, 36%)
CMYK	cmyk(58.7%, 31.5%, 0%, 63.9%)
CIE-LAB	lab(25.98, 0.04, -20.20)
CIE-LCH	lch(25.98, 20.20, 270.12°)
OKLab	oklab(36.16% -0.0173 -0.0568)
OKLCH	oklch(36.16% 0.059 253)
XYZ	xyz(4.5079, 4.7394, 10.8004)
Luminance	0.0474 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263F5C #5C4326

analogous

#265A5C #263F5C #28265C

triadic

#263F5C #5C263F #3F5C26

tetradic

#263F5C #5C265A #5C4326 #265C28

square

#263F5C #5C265A #5C4326 #265C28

split-complementary

#263F5C #5C2826 #5A5C26

monochromatic

#090F16 #142131 #263F5C #385D87 #4A7AB3

Accessibility & contrast

On white

10.78

#263F5C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#263F5C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263F5C

10.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263F5C	#FFFFFF	#000000	##FFFFFF
##263F5C	1.00	10.78	1.95	10.78
#FFFFFF	10.78	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#33405D

Deuteranopia (green-blind)

#2C3B5B

Tritanopia (blue-blind)

#054649

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #263f5c;
/* rgb */ color: rgb(38, 63, 92);
/* oklch */ color: oklch(36.2% 0.059 253.0);

Tailwind

colors: {
  custom: {
    50: '#65738a',
    500: '#263f5c',
    950: '#000000',
  },
}

SCSS

$custom: #263f5c;
$custom-light: #65738a;
$custom-dark: #000000;

JSON

{
  "hex": "#263f5c",
  "rgb": {
    "r": 38,
    "g": 63,
    "b": 92
  },
  "hsl": {
    "h": 212.222,
    "s": 41.538,
    "l": 25.49
  },
  "oklch": {
    "l": 0.36156,
    "c": 0.05938,
    "h": 253
  },
  "luminance": 0.0474
}

Semantic roles & 50–950 ramp

primary

#263F5C

secondary

#8F714F

accent

#9856D1

background

#F6F7F8

surface

#EBEDF0

border

#C6C8CB

text

#06080B

muted

#7A7B7C

Preview Lab

Preview with #263F5C

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

Preview Lab → · Contrast checker → · Palette generator →