#263C4F#263C4F

#263C4F is a dark, muted cyan. Relative luminance 0.042; OKLCH L 34.7% C 0.043 H 245.6°. Best body text is #FFFFFF at 11.40:1 contrast (WCAG AA passes).

Color values

HEX	#263C4F
RGB	rgb(38, 60, 79)
HSL	hsl(208, 35%, 23%)
HSV	hsv(208, 52%, 31%)
CMYK	cmyk(51.9%, 24.1%, 0%, 69%)
CIE-LAB	lab(24.35, -2.55, -14.22)
CIE-LCH	lch(24.35, 14.45, 259.82°)
OKLab	oklab(34.66% -0.018 -0.0396)
OKLCH	oklch(34.66% 0.043 245.6)
XYZ	xyz(3.8260, 4.2080, 8.0062)
Luminance	0.0421 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263C4F #4F3926

analogous

#264F4D #263C4F #26274F

triadic

#263C4F #4F263C #3C4F26

tetradic

#263C4F #4D264F #4F3926 #274F26

square

#263C4F #4D264F #4F3926 #274F26

split-complementary

#263C4F #4F2627 #4F4D26

monochromatic

#0A1015 #121D26 #263C4F #3A5B78 #4E7BA2

Accessibility & contrast

On white

11.40

#263C4F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#263C4F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263C4F

11.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263C4F	#FFFFFF	#000000	##FFFFFF
##263C4F	1.00	11.40	1.84	11.40
#FFFFFF	11.40	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#343C50

Deuteranopia (green-blind)

#2F384F

Tritanopia (blue-blind)

#144142

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #263c4f;
/* rgb */ color: rgb(38, 60, 79);
/* oklch */ color: oklch(34.7% 0.043 245.6);

Tailwind

colors: {
  custom: {
    50: '#637180',
    500: '#263c4f',
    950: '#000000',
  },
}

SCSS

$custom: #263c4f;
$custom-light: #637180;
$custom-dark: #000000;

JSON

{
  "hex": "#263c4f",
  "rgb": {
    "r": 38,
    "g": 60,
    "b": 79
  },
  "hsl": {
    "h": 207.805,
    "s": 35.043,
    "l": 22.941
  },
  "oklch": {
    "l": 0.34662,
    "c": 0.04349,
    "h": 245.6
  },
  "luminance": 0.04208
}

Semantic roles & 50–950 ramp

primary

#263C4F

secondary

#82674F

accent

#905DCB

background

#F6F6F7

surface

#EBECEE

border

#C6C7C9

text

#05070A

muted

#7A7A7C

Preview Lab

Preview with #263C4F

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

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