#263E4F#263E4F

#263E4F is a dark, muted cyan. Relative luminance 0.044; OKLCH L 35.2% C 0.042 H 240.4°. Best body text is #FFFFFF at 11.14:1 contrast (WCAG AA passes).

Color values

HEX	#263E4F
RGB	rgb(38, 62, 79)
HSL	hsl(205, 35%, 23%)
HSV	hsv(205, 52%, 31%)
CMYK	cmyk(51.9%, 21.5%, 0%, 69%)
CIE-LAB	lab(25.02, -3.87, -13.19)
CIE-LCH	lch(25.02, 13.75, 253.66°)
OKLab	oklab(35.19% -0.0208 -0.0366)
OKLCH	oklch(35.19% 0.042 240.4)
XYZ	xyz(3.9327, 4.4215, 8.0418)
Luminance	0.0442 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263E4F #4F3726

analogous

#264F4B #263E4F #26294F

triadic

#263E4F #4F263E #3E4F26

tetradic

#263E4F #4B264F #4F3726 #294F26

square

#263E4F #4B264F #4F3726 #294F26

split-complementary

#263E4F #4F2629 #4F4B26

monochromatic

#0A1015 #121E26 #263E4F #3A5E78 #4E7FA2

Accessibility & contrast

On white

11.14

#263E4F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#263E4F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263E4F

11.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263E4F	#FFFFFF	#000000	##FFFFFF
##263E4F	1.00	11.14	1.88	11.14
#FFFFFF	11.14	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#373E50

Deuteranopia (green-blind)

#31394F

Tritanopia (blue-blind)

#134244

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #263e4f;
/* rgb */ color: rgb(38, 62, 79);
/* oklch */ color: oklch(35.2% 0.042 240.4);

Tailwind

colors: {
  custom: {
    50: '#637380',
    500: '#263e4f',
    950: '#000000',
  },
}

SCSS

$custom: #263e4f;
$custom-light: #637380;
$custom-dark: #000000;

JSON

{
  "hex": "#263e4f",
  "rgb": {
    "r": 38,
    "g": 62,
    "b": 79
  },
  "hsl": {
    "h": 204.878,
    "s": 35.043,
    "l": 22.941
  },
  "oklch": {
    "l": 0.35192,
    "c": 0.04217,
    "h": 240.4
  },
  "luminance": 0.04422
}

Semantic roles & 50–950 ramp

primary

#263E4F

secondary

#82644F

accent

#8A5DCB

background

#F6F6F7

surface

#EBECEE

border

#C6C7C9

text

#05080A

muted

#7A7B7C

Preview Lab

Preview with #263E4F

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

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