#263D7B#263D7B

#263D7B is a dark, moderate blue. Relative luminance 0.052; OKLCH L 37.7% C 0.109 H 266.0°. Best body text is #FFFFFF at 10.31:1 contrast (WCAG AA passes).

Color values

HEX	#263D7B
RGB	rgb(38, 61, 123)
HSL	hsl(224, 53%, 32%)
HSV	hsv(224, 69%, 48%)
CMYK	cmyk(69.1%, 50.4%, 0%, 51.8%)
CIE-LAB	lab(27.24, 13.18, -38.02)
CIE-LCH	lch(27.24, 40.24, 289.11°)
OKLab	oklab(37.74% -0.0076 -0.1089)
OKLCH	oklch(37.74% 0.109 266)
XYZ	xyz(6.0420, 5.1790, 19.4163)
Luminance	0.0518 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263D7B #7B6426

analogous

#26687B #263D7B #3A267B

triadic

#263D7B #7B263D #3D7B26

tetradic

#263D7B #7B2668 #7B6426 #267B3A

square

#263D7B #7B2668 #7B6426 #267B3A

split-complementary

#263D7B #7B3A26 #687B26

monochromatic

#090F1D #18264C #263D7B #3454AA #5272CA

Accessibility & contrast

On white

10.31

#263D7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#263D7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263D7B

10.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263D7B	#FFFFFF	#000000	##FFFFFF
##263D7B	1.00	10.31	2.04	10.31
#FFFFFF	10.31	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C447D

Deuteranopia (green-blind)

#073D7A

Tritanopia (blue-blind)

#004B56

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #263d7b;
/* rgb */ color: rgb(38, 61, 123);
/* oklch */ color: oklch(37.7% 0.109 266.0);

Tailwind

colors: {
  custom: {
    50: '#6b72a2',
    500: '#263d7b',
    950: '#000000',
  },
}

SCSS

$custom: #263d7b;
$custom-light: #6b72a2;
$custom-dark: #000000;

JSON

{
  "hex": "#263d7b",
  "rgb": {
    "r": 38,
    "g": 61,
    "b": 123
  },
  "hsl": {
    "h": 223.765,
    "s": 52.795,
    "l": 31.569
  },
  "oklch": {
    "l": 0.37742,
    "c": 0.10921,
    "h": 266
  },
  "luminance": 0.0518
}

Semantic roles & 50–950 ramp

primary

#263D7B

secondary

#AD9450

accent

#B54CDC

background

#F6F6FA

surface

#ECECF3

border

#C7C7CD

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #263D7B

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

Preview Lab → · Contrast checker → · Palette generator →