#263F50#263F50

#263F50 is a dark, muted cyan. Relative luminance 0.045; OKLCH L 35.5% C 0.043 H 239.3°. Best body text is #FFFFFF at 11.00:1 contrast (WCAG AA passes).

Color values

HEX	#263F50
RGB	rgb(38, 63, 80)
HSL	hsl(204, 36%, 23%)
HSV	hsv(204, 53%, 31%)
CMYK	cmyk(52.5%, 21.2%, 0%, 68.6%)
CIE-LAB	lab(25.40, -4.18, -13.26)
CIE-LCH	lch(25.40, 13.91, 252.51°)
OKLab	oklab(35.51% -0.0219 -0.0368)
OKLCH	oklch(35.51% 0.043 239.3)
XYZ	xyz(4.0243, 4.5460, 8.2533)
Luminance	0.0455 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263F50 #503726

analogous

#26504C #263F50 #262A50

triadic

#263F50 #50263F #3F5026

tetradic

#263F50 #4C2650 #503726 #2A5026

square

#263F50 #4C2650 #503726 #2A5026

split-complementary

#263F50 #50262A #504C26

monochromatic

#0A1015 #121E27 #263F50 #3A6079 #4D80A3

Accessibility & contrast

On white

11.00

#263F50 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#263F50 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263F50

11.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263F50	#FFFFFF	#000000	##FFFFFF
##263F50	1.00	11.00	1.91	11.00
#FFFFFF	11.00	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#373F51

Deuteranopia (green-blind)

#323A50

Tritanopia (blue-blind)

#124345

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #263f50;
/* rgb */ color: rgb(38, 63, 80);
/* oklch */ color: oklch(35.5% 0.043 239.3);

Tailwind

colors: {
  custom: {
    50: '#637481',
    500: '#263f50',
    950: '#000000',
  },
}

SCSS

$custom: #263f50;
$custom-light: #637481;
$custom-dark: #000000;

JSON

{
  "hex": "#263f50",
  "rgb": {
    "r": 38,
    "g": 63,
    "b": 80
  },
  "hsl": {
    "h": 204.286,
    "s": 35.593,
    "l": 23.137
  },
  "oklch": {
    "l": 0.35509,
    "c": 0.04285,
    "h": 239.3
  },
  "luminance": 0.04546
}

Semantic roles & 50–950 ramp

primary

#263F50

secondary

#83644F

accent

#895CCC

background

#F6F7F7

surface

#EBEDEE

border

#C6C8C9

text

#05080A

muted

#7A7B7C

Preview Lab

Preview with #263F50

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

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