#263DA8#263DA8

#263DA8 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.6% C 0.173 H 268.2°. Best body text is #FFFFFF at 9.07:1 contrast (WCAG AA passes).

Color values

HEX	#263DA8
RGB	rgb(38, 61, 168)
HSL	hsl(229, 63%, 40%)
HSV	hsv(229, 77%, 66%)
CMYK	cmyk(77.4%, 63.7%, 0%, 34.1%)
CIE-LAB	lab(30.82, 30.50, -59.85)
CIE-LCH	lch(30.82, 67.17, 297.01°)
OKLab	oklab(41.55% -0.0054 -0.1731)
OKLCH	oklch(41.55% 0.173 268.2)
XYZ	xyz(9.5335, 6.5756, 37.8050)
Luminance	0.0658 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263DA8 #A89126

analogous

#267EA8 #263DA8 #5026A8

triadic

#263DA8 #A8263D #3DA826

tetradic

#263DA8 #A8267E #A89126 #26A850

square

#263DA8 #A8267E #A89126 #26A850

split-complementary

#263DA8 #A85026 #7EA826

monochromatic

#0F1944 #1B2B76 #263DA8 #3954D2 #6B7FDE

Accessibility & contrast

On white

9.07

#263DA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#263DA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263DA8

9.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263DA8	#FFFFFF	#000000	##FFFFFF
##263DA8	1.00	9.07	2.32	9.07
#FFFFFF	9.07	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FAB

Deuteranopia (green-blind)

#0043A6

Tritanopia (blue-blind)

#00596C

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #263da8;
/* rgb */ color: rgb(38, 61, 168);
/* oklch */ color: oklch(41.6% 0.173 268.2);

Tailwind

colors: {
  custom: {
    50: '#7572c3',
    500: '#263da8',
    950: '#000000',
  },
}

SCSS

$custom: #263da8;
$custom-light: #7572c3;
$custom-dark: #000000;

JSON

{
  "hex": "#263da8",
  "rgb": {
    "r": 38,
    "g": 61,
    "b": 168
  },
  "hsl": {
    "h": 229.385,
    "s": 63.107,
    "l": 40.392
  },
  "oklch": {
    "l": 0.41551,
    "c": 0.17315,
    "h": 268.2
  },
  "luminance": 0.06577
}

Semantic roles & 50–950 ramp

primary

#263DA8

secondary

#C4B366

accent

#C942E6

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #263DA8

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

Preview Lab → · Contrast checker → · Palette generator →