#263A5D#263A5D

#263A5D is a dark, moderate blue. Relative luminance 0.042; OKLCH L 34.9% C 0.067 H 261.0°. Best body text is #FFFFFF at 11.38:1 contrast (WCAG AA passes).

Color values

HEX	#263A5D
RGB	rgb(38, 58, 93)
HSL	hsl(218, 42%, 26%)
HSV	hsv(218, 59%, 36%)
CMYK	cmyk(59.1%, 37.6%, 0%, 63.5%)
CIE-LAB	lab(24.41, 3.80, -23.31)
CIE-LCH	lch(24.41, 23.62, 279.25°)
OKLab	oklab(34.95% -0.0104 -0.0659)
OKLCH	oklch(34.95% 0.067 261)
XYZ	xyz(4.2875, 4.2282, 10.9440)
Luminance	0.0423 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263A5D #5D4926

analogous

#26555D #263A5D #2D265D

triadic

#263A5D #5D263A #3A5D26

tetradic

#263A5D #5D2655 #5D4926 #265D2D

square

#263A5D #5D2655 #5D4926 #265D2D

split-complementary

#263A5D #5D2D26 #555D26

monochromatic

#090E16 #141F32 #263A5D #385588 #4A70B4

Accessibility & contrast

On white

11.38

#263A5D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#263A5D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263A5D

11.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263A5D	#FFFFFF	#000000	##FFFFFF
##263A5D	1.00	11.38	1.85	11.38
#FFFFFF	11.38	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C3D5E

Deuteranopia (green-blind)

#25385C

Tritanopia (blue-blind)

#054247

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #263a5d;
/* rgb */ color: rgb(38, 58, 93);
/* oklch */ color: oklch(34.9% 0.067 261.0);

Tailwind

colors: {
  custom: {
    50: '#656f8b',
    500: '#263a5d',
    950: '#000000',
  },
}

SCSS

$custom: #263a5d;
$custom-light: #656f8b;
$custom-dark: #000000;

JSON

{
  "hex": "#263a5d",
  "rgb": {
    "r": 38,
    "g": 58,
    "b": 93
  },
  "hsl": {
    "h": 218.182,
    "s": 41.985,
    "l": 25.686
  },
  "oklch": {
    "l": 0.3495,
    "c": 0.06668,
    "h": 261
  },
  "luminance": 0.04228
}

Semantic roles & 50–950 ramp

primary

#263A5D

secondary

#90784F

accent

#A556D2

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#06070C

muted

#7A7A7D

Preview Lab

Preview with #263A5D

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

Preview Lab → · Contrast checker → · Palette generator →