#263A4F#263A4F

#263A4F is a dark, muted cyan. Relative luminance 0.040; OKLCH L 34.1% C 0.045 H 250.4°. Best body text is #FFFFFF at 11.66:1 contrast (WCAG AA passes).

Color values

HEX	#263A4F
RGB	rgb(38, 58, 79)
HSL	hsl(211, 35%, 23%)
HSV	hsv(211, 52%, 31%)
CMYK	cmyk(51.9%, 26.6%, 0%, 69%)
CIE-LAB	lab(23.68, -1.22, -15.26)
CIE-LCH	lch(23.68, 15.31, 265.42°)
OKLab	oklab(34.14% -0.0151 -0.0425)
OKLCH	oklch(34.14% 0.045 250.4)
XYZ	xyz(3.7232, 4.0024, 7.9720)
Luminance	0.0400 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263A4F #4F3B26

analogous

#264E4F #263A4F #26264F

triadic

#263A4F #4F263A #3A4F26

tetradic

#263A4F #4F264E #4F3B26 #264F26

square

#263A4F #4F264E #4F3B26 #264F26

split-complementary

#263A4F #4F2626 #4E4F26

monochromatic

#0A0F15 #121C26 #263A4F #3A5878 #4E77A2

Accessibility & contrast

On white

11.66

#263A4F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#263A4F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263A4F

11.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263A4F	#FFFFFF	#000000	##FFFFFF
##263A4F	1.00	11.66	1.80	11.66
#FFFFFF	11.66	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#323B50

Deuteranopia (green-blind)

#2C374F

Tritanopia (blue-blind)

#143F41

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #263a4f;
/* rgb */ color: rgb(38, 58, 79);
/* oklch */ color: oklch(34.1% 0.045 250.4);

Tailwind

colors: {
  custom: {
    50: '#637080',
    500: '#263a4f',
    950: '#000000',
  },
}

SCSS

$custom: #263a4f;
$custom-light: #637080;
$custom-dark: #000000;

JSON

{
  "hex": "#263a4f",
  "rgb": {
    "r": 38,
    "g": 58,
    "b": 79
  },
  "hsl": {
    "h": 210.732,
    "s": 35.043,
    "l": 22.941
  },
  "oklch": {
    "l": 0.34136,
    "c": 0.04516,
    "h": 250.4
  },
  "luminance": 0.04003
}

Semantic roles & 50–950 ramp

primary

#263A4F

secondary

#82694F

accent

#955DCB

background

#F6F6F7

surface

#EBECEE

border

#C6C7C9

text

#05070A

muted

#7A7A7C

Preview Lab

Preview with #263A4F

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

Preview Lab → · Contrast checker → · Palette generator →