#263F5D#263F5D

#263F5D is a dark, moderate cyan. Relative luminance 0.048; OKLCH L 36.2% C 0.061 H 253.8°. Best body text is #FFFFFF at 10.76:1 contrast (WCAG AA passes).

Color values

HEX	#263F5D
RGB	rgb(38, 63, 93)
HSL	hsl(213, 42%, 26%)
HSV	hsv(213, 59%, 36%)
CMYK	cmyk(59.1%, 32.3%, 0%, 63.5%)
CIE-LAB	lab(26.03, 0.41, -20.77)
CIE-LCH	lch(26.03, 20.78, 271.12°)
OKLab	oklab(36.21% -0.017 -0.0584)
OKLCH	oklch(36.21% 0.061 253.8)
XYZ	xyz(4.5519, 4.7570, 11.0321)
Luminance	0.0476 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263F5D #5D4426

analogous

#265A5D #263F5D #28265D

triadic

#263F5D #5D263F #3F5D26

tetradic

#263F5D #5D265A #5D4426 #265D28

square

#263F5D #5D265A #5D4426 #265D28

split-complementary

#263F5D #5D2826 #5A5D26

monochromatic

#090F16 #142232 #263F5D #385C88 #4A7AB4

Accessibility & contrast

On white

10.76

#263F5D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#263F5D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263F5D

10.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263F5D	#FFFFFF	#000000	##FFFFFF
##263F5D	1.00	10.76	1.95	10.76
#FFFFFF	10.76	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#33415E

Deuteranopia (green-blind)

#2C3B5C

Tritanopia (blue-blind)

#03464A

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #263f5d;
/* rgb */ color: rgb(38, 63, 93);
/* oklch */ color: oklch(36.2% 0.061 253.8);

Tailwind

colors: {
  custom: {
    50: '#65738b',
    500: '#263f5d',
    950: '#000000',
  },
}

SCSS

$custom: #263f5d;
$custom-light: #65738b;
$custom-dark: #000000;

JSON

{
  "hex": "#263f5d",
  "rgb": {
    "r": 38,
    "g": 63,
    "b": 93
  },
  "hsl": {
    "h": 212.727,
    "s": 41.985,
    "l": 25.686
  },
  "oklch": {
    "l": 0.36214,
    "c": 0.06085,
    "h": 253.8
  },
  "luminance": 0.04757
}

Semantic roles & 50–950 ramp

primary

#263F5D

secondary

#90724F

accent

#9A56D2

background

#F6F7F8

surface

#EBEDF0

border

#C6C8CB

text

#06080C

muted

#7A7B7D

Preview Lab

Preview with #263F5D

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

Preview Lab → · Contrast checker → · Palette generator →