#263D55#263D55

#263D55 is a dark, muted cyan. Relative luminance 0.044; OKLCH L 35.2% C 0.051 H 250.5°. Best body text is #FFFFFF at 11.16:1 contrast (WCAG AA passes).

Color values

HEX	#263D55
RGB	rgb(38, 61, 85)
HSL	hsl(211, 38%, 24%)
HSV	hsv(211, 55%, 33%)
CMYK	cmyk(55.3%, 28.2%, 0%, 66.7%)
CIE-LAB	lab(24.97, -1.13, -17.21)
CIE-LCH	lch(24.97, 17.25, 266.25°)
OKLab	oklab(35.25% -0.0171 -0.0482)
OKLCH	oklch(35.25% 0.051 250.5)
XYZ	xyz(4.1072, 4.4051, 9.2264)
Luminance	0.0440 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263D55 #553E26

analogous

#265555 #263D55 #272655

triadic

#263D55 #55263D #3D5526

tetradic

#263D55 #552655 #553E26 #265527

square

#263D55 #552655 #553E26 #265527

split-complementary

#263D55 #552726 #555526

monochromatic

#090F15 #131F2B #263D55 #395B7F #4C7AAA

Accessibility & contrast

On white

11.16

#263D55 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#263D55 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263D55

11.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263D55	#FFFFFF	#000000	##FFFFFF
##263D55	1.00	11.16	1.88	11.16
#FFFFFF	11.16	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#333E56

Deuteranopia (green-blind)

#2D3955

Tritanopia (blue-blind)

#0E4345

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #263d55;
/* rgb */ color: rgb(38, 61, 85);
/* oklch */ color: oklch(35.2% 0.051 250.5);

Tailwind

colors: {
  custom: {
    50: '#647285',
    500: '#263d55',
    950: '#000000',
  },
}

SCSS

$custom: #263d55;
$custom-light: #647285;
$custom-dark: #000000;

JSON

{
  "hex": "#263d55",
  "rgb": {
    "r": 38,
    "g": 61,
    "b": 85
  },
  "hsl": {
    "h": 210.638,
    "s": 38.211,
    "l": 24.118
  },
  "oklch": {
    "l": 0.35246,
    "c": 0.05111,
    "h": 250.5
  },
  "luminance": 0.04405
}

Semantic roles & 50–950 ramp

primary

#263D55

secondary

#886C4F

accent

#955ACE

background

#F6F6F8

surface

#EBECEF

border

#C6C7CA

text

#05070B

muted

#7A7A7C

Preview Lab

Preview with #263D55

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

Preview Lab → · Contrast checker → · Palette generator →