#263B43#263B43

#263B43 is a dark, muted cyan. Relative luminance 0.039; OKLCH L 33.8% C 0.030 H 223.8°. Best body text is #FFFFFF at 11.74:1 contrast (WCAG AA passes).

Color values

HEX	#263B43
RGB	rgb(38, 59, 67)
HSL	hsl(197, 28%, 21%)
HSV	hsv(197, 43%, 26%)
CMYK	cmyk(43.3%, 11.9%, 0%, 73.7%)
CIE-LAB	lab(23.49, -5.85, -7.57)
CIE-LCH	lch(23.49, 9.56, 232.29°)
OKLab	oklab(33.81% -0.0217 -0.0208)
OKLCH	oklch(33.81% 0.03 223.8)
XYZ	xyz(3.3761, 3.9450, 5.8927)
Luminance	0.0394 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263B43 #432E26

analogous

#26433C #263B43 #262C43

triadic

#263B43 #43263B #3B4326

tetradic

#263B43 #3C2643 #432E26 #2C4326

square

#263B43 #3C2643 #432E26 #2C4326

split-complementary

#263B43 #43262C #433C26

monochromatic

#0B1114 #10191C #263B43 #3C5D6A #528091

Accessibility & contrast

On white

11.74

#263B43 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#263B43 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263B43

11.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263B43	#FFFFFF	#000000	##FFFFFF
##263B43	1.00	11.74	1.79	11.74
#FFFFFF	11.74	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#363A43

Deuteranopia (green-blind)

#323643

Tritanopia (blue-blind)

#1B3E3D

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #263b43;
/* rgb */ color: rgb(38, 59, 67);
/* oklch */ color: oklch(33.8% 0.030 223.8);

Tailwind

colors: {
  custom: {
    50: '#627077',
    500: '#263b43',
    950: '#000000',
  },
}

SCSS

$custom: #263b43;
$custom-light: #627077;
$custom-dark: #000000;

JSON

{
  "hex": "#263b43",
  "rgb": {
    "r": 38,
    "g": 59,
    "b": 67
  },
  "hsl": {
    "h": 196.552,
    "s": 27.619,
    "l": 20.588
  },
  "oklch": {
    "l": 0.33811,
    "c": 0.03005,
    "h": 223.8
  },
  "luminance": 0.03945
}

Semantic roles & 50–950 ramp

primary

#263B43

secondary

#755A4F

accent

#7E64C4

background

#F5F6F7

surface

#EAECED

border

#C6C7C8

text

#050708

muted

#797A7B

Preview Lab

Preview with #263B43

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

Preview Lab → · Contrast checker → · Palette generator →