#263C5F#263C5F

#263C5F is a dark, moderate blue. Relative luminance 0.045; OKLCH L 35.6% C 0.067 H 259.3°. Best body text is #FFFFFF at 11.09:1 contrast (WCAG AA passes).

Color values

HEX	#263C5F
RGB	rgb(38, 60, 95)
HSL	hsl(217, 43%, 26%)
HSV	hsv(217, 60%, 37%)
CMYK	cmyk(60%, 36.8%, 0%, 62.7%)
CIE-LAB	lab(25.17, 3.17, -23.43)
CIE-LCH	lch(25.17, 23.64, 277.71°)
OKLab	oklab(35.57% -0.0124 -0.0662)
OKLCH	oklch(35.57% 0.067 259.3)
XYZ	xyz(4.4800, 4.4696, 11.4509)
Luminance	0.0447 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263C5F #5F4926

analogous

#26585F #263C5F #2C265F

triadic

#263C5F #5F263C #3C5F26

tetradic

#263C5F #5F2658 #5F4926 #265F2C

square

#263C5F #5F2658 #5F4926 #265F2C

split-complementary

#263C5F #5F2C26 #585F26

monochromatic

#090E16 #152033 #263C5F #37588B #4973B6

Accessibility & contrast

On white

11.09

#263C5F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#263C5F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263C5F

11.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263C5F	#FFFFFF	#000000	##FFFFFF
##263C5F	1.00	11.09	1.89	11.09
#FFFFFF	11.09	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E3F60

Deuteranopia (green-blind)

#27395E

Tritanopia (blue-blind)

#014449

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #263c5f;
/* rgb */ color: rgb(38, 60, 95);
/* oklch */ color: oklch(35.6% 0.067 259.3);

Tailwind

colors: {
  custom: {
    50: '#65718c',
    500: '#263c5f',
    950: '#000000',
  },
}

SCSS

$custom: #263c5f;
$custom-light: #65718c;
$custom-dark: #000000;

JSON

{
  "hex": "#263c5f",
  "rgb": {
    "r": 38,
    "g": 60,
    "b": 95
  },
  "hsl": {
    "h": 216.842,
    "s": 42.857,
    "l": 26.078
  },
  "oklch": {
    "l": 0.35574,
    "c": 0.06733,
    "h": 259.3
  },
  "luminance": 0.0447
}

Semantic roles & 50–950 ramp

primary

#263C5F

secondary

#92784F

accent

#A255D3

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#06070C

muted

#7A7A7D

Preview Lab

Preview with #263C5F

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

Preview Lab → · Contrast checker → · Palette generator →