#263C63#263C63

#263C63 is a dark, moderate blue. Relative luminance 0.045; OKLCH L 35.8% C 0.074 H 261.1°. Best body text is #FFFFFF at 11.00:1 contrast (WCAG AA passes).

Color values

HEX	#263C63
RGB	rgb(38, 60, 99)
HSL	hsl(218, 45%, 27%)
HSV	hsv(218, 62%, 39%)
CMYK	cmyk(61.6%, 39.4%, 0%, 61.2%)
CIE-LAB	lab(25.39, 4.66, -25.66)
CIE-LCH	lch(25.39, 26.08, 280.29°)
OKLab	oklab(35.83% -0.0113 -0.0727)
OKLCH	oklch(35.83% 0.074 261.1)
XYZ	xyz(4.6665, 4.5443, 12.4332)
Luminance	0.0454 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263C63 #634D26

analogous

#265B63 #263C63 #2F2663

triadic

#263C63 #63263C #3C6326

tetradic

#263C63 #63265B #634D26 #26632F

square

#263C63 #63265B #634D26 #26632F

split-complementary

#263C63 #632F26 #5B6326

monochromatic

#080D16 #152137 #263C63 #37578F #4A72B9

Accessibility & contrast

On white

11.00

#263C63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#263C63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263C63

11.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263C63	#FFFFFF	#000000	##FFFFFF
##263C63	1.00	11.00	1.91	11.00
#FFFFFF	11.00	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C3F65

Deuteranopia (green-blind)

#243A62

Tritanopia (blue-blind)

#00454A

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #263c63;
/* rgb */ color: rgb(38, 60, 99);
/* oklch */ color: oklch(35.8% 0.074 261.1);

Tailwind

colors: {
  custom: {
    50: '#66718f',
    500: '#263c63',
    950: '#000000',
  },
}

SCSS

$custom: #263c63;
$custom-light: #66718f;
$custom-dark: #000000;

JSON

{
  "hex": "#263c63",
  "rgb": {
    "r": 38,
    "g": 60,
    "b": 99
  },
  "hsl": {
    "h": 218.361,
    "s": 44.526,
    "l": 26.863
  },
  "oklch": {
    "l": 0.35826,
    "c": 0.07356,
    "h": 261.1
  },
  "luminance": 0.04545
}

Semantic roles & 50–950 ramp

primary

#263C63

secondary

#967C4F

accent

#A654D4

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#06070C

muted

#7A7A7D

Preview Lab

Preview with #263C63

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

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