#263A5C#263A5C

#263A5C is a dark, moderate blue. Relative luminance 0.042; OKLCH L 34.9% C 0.065 H 260.5°. Best body text is #FFFFFF at 11.40:1 contrast (WCAG AA passes).

Color values

HEX	#263A5C
RGB	rgb(38, 58, 92)
HSL	hsl(218, 42%, 25%)
HSV	hsv(218, 59%, 36%)
CMYK	cmyk(58.7%, 37%, 0%, 63.9%)
CIE-LAB	lab(24.36, 3.43, -22.75)
CIE-LCH	lch(24.36, 23.01, 278.57°)
OKLab	oklab(34.89% -0.0107 -0.0642)
OKLCH	oklch(34.89% 0.065 260.5)
XYZ	xyz(4.2435, 4.2106, 10.7122)
Luminance	0.0421 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263A5C #5C4826

analogous

#26555C #263A5C #2D265C

triadic

#263A5C #5C263A #3A5C26

tetradic

#263A5C #5C2655 #5C4826 #265C2D

square

#263A5C #5C2655 #5C4826 #265C2D

split-complementary

#263A5C #5C2D26 #555C26

monochromatic

#090E16 #141F31 #263A5C #385587 #4A71B3

Accessibility & contrast

On white

11.40

#263A5C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#263A5C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263A5C

11.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263A5C	#FFFFFF	#000000	##FFFFFF
##263A5C	1.00	11.40	1.84	11.40
#FFFFFF	11.40	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C3D5D

Deuteranopia (green-blind)

#26385B

Tritanopia (blue-blind)

#064146

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #263a5c;
/* rgb */ color: rgb(38, 58, 92);
/* oklch */ color: oklch(34.9% 0.065 260.5);

Tailwind

colors: {
  custom: {
    50: '#656f8a',
    500: '#263a5c',
    950: '#000000',
  },
}

SCSS

$custom: #263a5c;
$custom-light: #656f8a;
$custom-dark: #000000;

JSON

{
  "hex": "#263a5c",
  "rgb": {
    "r": 38,
    "g": 58,
    "b": 92
  },
  "hsl": {
    "h": 217.778,
    "s": 41.538,
    "l": 25.49
  },
  "oklch": {
    "l": 0.34888,
    "c": 0.06511,
    "h": 260.5
  },
  "luminance": 0.04211
}

Semantic roles & 50–950 ramp

primary

#263A5C

secondary

#8F774F

accent

#A456D1

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#06070B

muted

#7A7A7C

Preview Lab

Preview with #263A5C

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

Preview Lab → · Contrast checker → · Palette generator →