#263F4A#263F4A

#263F4A is a dark, muted cyan. Relative luminance 0.045; OKLCH L 35.2% C 0.036 H 227.6°. Best body text is #FFFFFF at 11.10:1 contrast (WCAG AA passes).

Color values

HEX	#263F4A
RGB	rgb(38, 63, 74)
HSL	hsl(198, 32%, 22%)
HSV	hsv(198, 49%, 29%)
CMYK	cmyk(48.6%, 14.9%, 0%, 71%)
CIE-LAB	lab(25.14, -6.18, -9.71)
CIE-LCH	lch(25.14, 11.51, 237.53°)
OKLab	oklab(35.22% -0.0244 -0.0268)
OKLCH	oklch(35.22% 0.036 227.6)
XYZ	xyz(3.8124, 4.4612, 7.1374)
Luminance	0.0446 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263F4A #4A3126

analogous

#264A43 #263F4A #262D4A

triadic

#263F4A #4A263F #3F4A26

tetradic

#263F4A #43264A #4A3126 #2D4A26

square

#263F4A #43264A #4A3126 #2D4A26

split-complementary

#263F4A #4A262D #4A4326

monochromatic

#0A1114 #111D22 #263F4A #3B6172 #50849B

Accessibility & contrast

On white

11.10

#263F4A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#263F4A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263F4A

11.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263F4A	#FFFFFF	#000000	##FFFFFF
##263F4A	1.00	11.10	1.89	11.10
#FFFFFF	11.10	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#393E4B

Deuteranopia (green-blind)

#343A4A

Tritanopia (blue-blind)

#164242

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #263f4a;
/* rgb */ color: rgb(38, 63, 74);
/* oklch */ color: oklch(35.2% 0.036 227.6);

Tailwind

colors: {
  custom: {
    50: '#63747c',
    500: '#263f4a',
    950: '#000000',
  },
}

SCSS

$custom: #263f4a;
$custom-light: #63747c;
$custom-dark: #000000;

JSON

{
  "hex": "#263f4a",
  "rgb": {
    "r": 38,
    "g": 63,
    "b": 74
  },
  "hsl": {
    "h": 198.333,
    "s": 32.143,
    "l": 21.961
  },
  "oklch": {
    "l": 0.35218,
    "c": 0.03628,
    "h": 227.6
  },
  "luminance": 0.04461
}

Semantic roles & 50–950 ramp

primary

#263F4A

secondary

#7D5D4F

accent

#805FC8

background

#F5F7F7

surface

#EAEDEE

border

#C6C8C9

text

#050809

muted

#797B7B

Preview Lab

Preview with #263F4A

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

Preview Lab → · Contrast checker → · Palette generator →