#263DA4#263DA4

#263DA4 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.2% C 0.168 H 268.2°. Best body text is #FFFFFF at 9.19:1 contrast (WCAG AA passes).

Color values

HEX	#263DA4
RGB	rgb(38, 61, 164)
HSL	hsl(229, 62%, 40%)
HSV	hsv(229, 77%, 64%)
CMYK	cmyk(76.8%, 62.8%, 0%, 35.7%)
CIE-LAB	lab(30.47, 28.99, -58.01)
CIE-LCH	lch(30.47, 64.85, 296.56°)
OKLab	oklab(41.18% -0.0053 -0.1677)
OKLCH	oklch(41.18% 0.168 268.2)
XYZ	xyz(9.1666, 6.4289, 35.8726)
Luminance	0.0643 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263DA4 #A48D26

analogous

#267CA4 #263DA4 #4E26A4

triadic

#263DA4 #A4263D #3DA426

tetradic

#263DA4 #A4267C #A48D26 #26A44E

square

#263DA4 #A4267C #A48D26 #26A44E

split-complementary

#263DA4 #A44E26 #7CA426

monochromatic

#0F1841 #1A2B72 #263DA4 #3753D1 #687DDC

Accessibility & contrast

On white

9.19

#263DA4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#263DA4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263DA4

9.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263DA4	#FFFFFF	#000000	##FFFFFF
##263DA4	1.00	9.19	2.29	9.19
#FFFFFF	9.19	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EA7

Deuteranopia (green-blind)

#0042A2

Tritanopia (blue-blind)

#00586A

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #263da4;
/* rgb */ color: rgb(38, 61, 164);
/* oklch */ color: oklch(41.2% 0.168 268.2);

Tailwind

colors: {
  custom: {
    50: '#7472c0',
    500: '#263da4',
    950: '#000000',
  },
}

SCSS

$custom: #263da4;
$custom-light: #7472c0;
$custom-dark: #000000;

JSON

{
  "hex": "#263da4",
  "rgb": {
    "r": 38,
    "g": 61,
    "b": 164
  },
  "hsl": {
    "h": 229.048,
    "s": 62.376,
    "l": 39.608
  },
  "oklch": {
    "l": 0.41183,
    "c": 0.16778,
    "h": 268.2
  },
  "luminance": 0.0643
}

Semantic roles & 50–950 ramp

primary

#263DA4

secondary

#C2B164

accent

#C842E5

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #263DA4

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

Preview Lab → · Contrast checker → · Palette generator →