#263D4B#263D4B

#263D4B is a dark, muted cyan. Relative luminance 0.043; OKLCH L 34.7% C 0.038 H 236.1°. Best body text is #FFFFFF at 11.34:1 contrast (WCAG AA passes).

Color values

HEX	#263D4B
RGB	rgb(38, 61, 75)
HSL	hsl(203, 33%, 22%)
HSV	hsv(203, 49%, 29%)
CMYK	cmyk(49.3%, 18.7%, 0%, 70.6%)
CIE-LAB	lab(24.50, -4.56, -11.34)
CIE-LCH	lch(24.50, 12.22, 248.09°)
OKLab	oklab(34.73% -0.0211 -0.0314)
OKLCH	oklch(34.73% 0.038 236.1)
XYZ	xyz(3.7376, 4.2573, 7.2800)
Luminance	0.0426 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263D4B #4B3426

analogous

#264B47 #263D4B #262B4B

triadic

#263D4B #4B263D #3D4B26

tetradic

#263D4B #47264B #4B3426 #2B4B26

square

#263D4B #47264B #4B3426 #2B4B26

split-complementary

#263D4B #4B262B #4B4726

monochromatic

#0A1114 #111C22 #263D4B #3B5E74 #4F7F9C

Accessibility & contrast

On white

11.34

#263D4B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#263D4B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263D4B

11.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263D4B	#FFFFFF	#000000	##FFFFFF
##263D4B	1.00	11.34	1.85	11.34
#FFFFFF	11.34	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#373C4C

Deuteranopia (green-blind)

#31384B

Tritanopia (blue-blind)

#164142

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #263d4b;
/* rgb */ color: rgb(38, 61, 75);
/* oklch */ color: oklch(34.7% 0.038 236.1);

Tailwind

colors: {
  custom: {
    50: '#63727d',
    500: '#263d4b',
    950: '#000000',
  },
}

SCSS

$custom: #263d4b;
$custom-light: #63727d;
$custom-dark: #000000;

JSON

{
  "hex": "#263d4b",
  "rgb": {
    "r": 38,
    "g": 61,
    "b": 75
  },
  "hsl": {
    "h": 202.703,
    "s": 32.743,
    "l": 22.157
  },
  "oklch": {
    "l": 0.34727,
    "c": 0.03783,
    "h": 236.1
  },
  "luminance": 0.04258
}

Semantic roles & 50–950 ramp

primary

#263D4B

secondary

#7E614F

accent

#875FC9

background

#F5F6F7

surface

#EAECEE

border

#C6C7C9

text

#050809

muted

#797B7B

Preview Lab

Preview with #263D4B

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

Preview Lab → · Contrast checker → · Palette generator →