#263F53#263F53

#263F53 is a dark, muted cyan. Relative luminance 0.046; OKLCH L 35.7% C 0.047 H 243.8°. Best body text is #FFFFFF at 10.95:1 contrast (WCAG AA passes).

Color values

HEX	#263F53
RGB	rgb(38, 63, 83)
HSL	hsl(207, 37%, 24%)
HSV	hsv(207, 54%, 33%)
CMYK	cmyk(54.2%, 24.1%, 0%, 67.5%)
CIE-LAB	lab(25.54, -3.15, -15.02)
CIE-LCH	lch(25.54, 15.35, 258.16°)
OKLab	oklab(35.66% -0.0206 -0.0419)
OKLCH	oklch(35.66% 0.047 243.8)
XYZ	xyz(4.1376, 4.5913, 8.8501)
Luminance	0.0459 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263F53 #533A26

analogous

#265350 #263F53 #262853

triadic

#263F53 #53263F #3F5326

tetradic

#263F53 #502653 #533A26 #285326

square

#263F53 #502653 #533A26 #285326

split-complementary

#263F53 #532628 #535026

monochromatic

#0A1015 #131F29 #263F53 #395F7D #4C7FA7

Accessibility & contrast

On white

10.95

#263F53 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#263F53 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263F53

10.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263F53	#FFFFFF	#000000	##FFFFFF
##263F53	1.00	10.95	1.92	10.95
#FFFFFF	10.95	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#373F54

Deuteranopia (green-blind)

#313A53

Tritanopia (blue-blind)

#104446

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #263f53;
/* rgb */ color: rgb(38, 63, 83);
/* oklch */ color: oklch(35.7% 0.047 243.8);

Tailwind

colors: {
  custom: {
    50: '#647383',
    500: '#263f53',
    950: '#000000',
  },
}

SCSS

$custom: #263f53;
$custom-light: #647383;
$custom-dark: #000000;

JSON

{
  "hex": "#263f53",
  "rgb": {
    "r": 38,
    "g": 63,
    "b": 83
  },
  "hsl": {
    "h": 206.667,
    "s": 37.19,
    "l": 23.725
  },
  "oklch": {
    "l": 0.35662,
    "c": 0.04667,
    "h": 243.8
  },
  "luminance": 0.04592
}

Semantic roles & 50–950 ramp

primary

#263F53

secondary

#86674F

accent

#8E5BCD

background

#F6F7F8

surface

#EBEDEF

border

#C6C8CA

text

#05080A

muted

#7A7B7C

Preview Lab

Preview with #263F53

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

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