#263A5B#263A5B

#263A5B is a dark, moderate blue. Relative luminance 0.042; OKLCH L 34.8% C 0.064 H 260.0°. Best body text is #FFFFFF at 11.42:1 contrast (WCAG AA passes).

Color values

HEX	#263A5B
RGB	rgb(38, 58, 91)
HSL	hsl(217, 41%, 25%)
HSV	hsv(217, 58%, 36%)
CMYK	cmyk(58.2%, 36.3%, 0%, 64.3%)
CIE-LAB	lab(24.30, 3.06, -22.18)
CIE-LCH	lch(24.30, 22.39, 277.86°)
OKLab	oklab(34.83% -0.011 -0.0626)
OKLCH	oklch(34.83% 0.064 260)
XYZ	xyz(4.2001, 4.1932, 10.4835)
Luminance	0.0419 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263A5B #5B4726

analogous

#26545B #263A5B #2C265B

triadic

#263A5B #5B263A #3A5B26

tetradic

#263A5B #5B2654 #5B4726 #265B2C

square

#263A5B #5B2654 #5B4726 #265B2C

split-complementary

#263A5B #5B2C26 #545B26

monochromatic

#090E16 #141E30 #263A5B #385686 #4A71B1

Accessibility & contrast

On white

11.42

#263A5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#263A5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263A5B

11.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263A5B	#FFFFFF	#000000	##FFFFFF
##263A5B	1.00	11.42	1.84	11.42
#FFFFFF	11.42	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D3C5C

Deuteranopia (green-blind)

#26375A

Tritanopia (blue-blind)

#084146

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #263a5b;
/* rgb */ color: rgb(38, 58, 91);
/* oklch */ color: oklch(34.8% 0.064 260.0);

Tailwind

colors: {
  custom: {
    50: '#656f89',
    500: '#263a5b',
    950: '#000000',
  },
}

SCSS

$custom: #263a5b;
$custom-light: #656f89;
$custom-dark: #000000;

JSON

{
  "hex": "#263a5b",
  "rgb": {
    "r": 38,
    "g": 58,
    "b": 91
  },
  "hsl": {
    "h": 217.358,
    "s": 41.085,
    "l": 25.294
  },
  "oklch": {
    "l": 0.34826,
    "c": 0.06353,
    "h": 260
  },
  "luminance": 0.04194
}

Semantic roles & 50–950 ramp

primary

#263A5B

secondary

#8E764F

accent

#A357D1

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#06070B

muted

#7A7A7C

Preview Lab

Preview with #263A5B

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

Preview Lab → · Contrast checker → · Palette generator →