#263C61#263C61

#263C61 is a dark, moderate blue. Relative luminance 0.045; OKLCH L 35.7% C 0.070 H 260.3°. Best body text is #FFFFFF at 11.04:1 contrast (WCAG AA passes).

Color values

HEX	#263C61
RGB	rgb(38, 60, 97)
HSL	hsl(218, 44%, 26%)
HSV	hsv(218, 61%, 38%)
CMYK	cmyk(60.8%, 38.1%, 0%, 62%)
CIE-LAB	lab(25.28, 3.91, -24.55)
CIE-LCH	lch(25.28, 24.86, 279.06°)
OKLab	oklab(35.7% -0.0119 -0.0694)
OKLCH	oklch(35.7% 0.07 260.3)
XYZ	xyz(4.5721, 4.5065, 11.9358)
Luminance	0.0451 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263C61 #614B26

analogous

#265A61 #263C61 #2E2661

triadic

#263C61 #61263C #3C6126

tetradic

#263C61 #61265A #614B26 #26612E

square

#263C61 #61265A #614B26 #26612E

split-complementary

#263C61 #612E26 #5A6126

monochromatic

#090E16 #152135 #263C61 #37578D #4A73B8

Accessibility & contrast

On white

11.04

#263C61 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#263C61 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263C61

11.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263C61	#FFFFFF	#000000	##FFFFFF
##263C61	1.00	11.04	1.90	11.04
#FFFFFF	11.04	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D3F63

Deuteranopia (green-blind)

#253960

Tritanopia (blue-blind)

#00444A

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #263c61;
/* rgb */ color: rgb(38, 60, 97);
/* oklch */ color: oklch(35.7% 0.070 260.3);

Tailwind

colors: {
  custom: {
    50: '#66718e',
    500: '#263c61',
    950: '#000000',
  },
}

SCSS

$custom: #263c61;
$custom-light: #66718e;
$custom-dark: #000000;

JSON

{
  "hex": "#263c61",
  "rgb": {
    "r": 38,
    "g": 60,
    "b": 97
  },
  "hsl": {
    "h": 217.627,
    "s": 43.704,
    "l": 26.471
  },
  "oklch": {
    "l": 0.35699,
    "c": 0.07044,
    "h": 260.3
  },
  "luminance": 0.04507
}

Semantic roles & 50–950 ramp

primary

#263C61

secondary

#947A4F

accent

#A454D3

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#06070C

muted

#7A7A7D

Preview Lab

Preview with #263C61

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

Preview Lab → · Contrast checker → · Palette generator →