#263B5A#263B5A

#263B5A is a dark, moderate blue. Relative luminance 0.043; OKLCH L 35.0% C 0.061 H 258.0°. Best body text is #FFFFFF at 11.32:1 contrast (WCAG AA passes).

Color values

HEX	#263B5A
RGB	rgb(38, 59, 90)
HSL	hsl(216, 41%, 25%)
HSV	hsv(216, 58%, 35%)
CMYK	cmyk(57.8%, 34.4%, 0%, 64.7%)
CIE-LAB	lab(24.57, 2.01, -21.11)
CIE-LCH	lch(24.57, 21.20, 275.45°)
OKLab	oklab(35.02% -0.0127 -0.0594)
OKLCH	oklch(35.02% 0.061 258)
XYZ	xyz(4.2081, 4.2779, 10.2748)
Luminance	0.0428 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263B5A #5A4526

analogous

#26555A #263B5A #2B265A

triadic

#263B5A #5A263B #3B5A26

tetradic

#263B5A #5A2655 #5A4526 #265A2B

square

#263B5A #5A2655 #5A4526 #265A2B

split-complementary

#263B5A #5A2B26 #555A26

monochromatic

#090E16 #141F2F #263B5A #385785 #4A73B0

Accessibility & contrast

On white

11.32

#263B5A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#263B5A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263B5A

11.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263B5A	#FFFFFF	#000000	##FFFFFF
##263B5A	1.00	11.32	1.86	11.32
#FFFFFF	11.32	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F3D5B

Deuteranopia (green-blind)

#283859

Tritanopia (blue-blind)

#094246

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #263b5a;
/* rgb */ color: rgb(38, 59, 90);
/* oklch */ color: oklch(35.0% 0.061 258.0);

Tailwind

colors: {
  custom: {
    50: '#647089',
    500: '#263b5a',
    950: '#000000',
  },
}

SCSS

$custom: #263b5a;
$custom-light: #647089;
$custom-dark: #000000;

JSON

{
  "hex": "#263b5a",
  "rgb": {
    "r": 38,
    "g": 59,
    "b": 90
  },
  "hsl": {
    "h": 215.769,
    "s": 40.625,
    "l": 25.098
  },
  "oklch": {
    "l": 0.35018,
    "c": 0.06076,
    "h": 258
  },
  "luminance": 0.04278
}

Semantic roles & 50–950 ramp

primary

#263B5A

secondary

#8D744F

accent

#A057D0

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#06070B

muted

#7A7A7C

Preview Lab

Preview with #263B5A

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

Preview Lab → · Contrast checker → · Palette generator →