#263D4F#263D4F

#263D4F is a dark, muted cyan. Relative luminance 0.043; OKLCH L 34.9% C 0.043 H 243.0°. Best body text is #FFFFFF at 11.27:1 contrast (WCAG AA passes).

Color values

HEX	#263D4F
RGB	rgb(38, 61, 79)
HSL	hsl(206, 35%, 23%)
HSV	hsv(206, 52%, 31%)
CMYK	cmyk(51.9%, 22.8%, 0%, 69%)
CIE-LAB	lab(24.68, -3.21, -13.71)
CIE-LCH	lch(24.68, 14.08, 256.81°)
OKLab	oklab(34.93% -0.0194 -0.0381)
OKLCH	oklch(34.93% 0.043 243)
XYZ	xyz(3.8789, 4.3138, 8.0239)
Luminance	0.0431 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263D4F #4F3826

analogous

#264F4C #263D4F #26284F

triadic

#263D4F #4F263D #3D4F26

tetradic

#263D4F #4C264F #4F3826 #284F26

square

#263D4F #4C264F #4F3826 #284F26

split-complementary

#263D4F #4F2628 #4F4C26

monochromatic

#0A1015 #121D26 #263D4F #3A5D78 #4E7DA2

Accessibility & contrast

On white

11.27

#263D4F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#263D4F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263D4F

11.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263D4F	#FFFFFF	#000000	##FFFFFF
##263D4F	1.00	11.27	1.86	11.27
#FFFFFF	11.27	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#353D50

Deuteranopia (green-blind)

#30394F

Tritanopia (blue-blind)

#144143

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #263d4f;
/* rgb */ color: rgb(38, 61, 79);
/* oklch */ color: oklch(34.9% 0.043 243.0);

Tailwind

colors: {
  custom: {
    50: '#637280',
    500: '#263d4f',
    950: '#000000',
  },
}

SCSS

$custom: #263d4f;
$custom-light: #637280;
$custom-dark: #000000;

JSON

{
  "hex": "#263d4f",
  "rgb": {
    "r": 38,
    "g": 61,
    "b": 79
  },
  "hsl": {
    "h": 206.341,
    "s": 35.043,
    "l": 22.941
  },
  "oklch": {
    "l": 0.34927,
    "c": 0.04279,
    "h": 243
  },
  "luminance": 0.04314
}

Semantic roles & 50–950 ramp

primary

#263D4F

secondary

#82654F

accent

#8D5DCB

background

#F6F6F7

surface

#EBECEE

border

#C6C7C9

text

#05080A

muted

#7A7B7C

Preview Lab

Preview with #263D4F

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

Preview Lab → · Contrast checker → · Palette generator →