#263EA4#263EA4

#263EA4 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.4% C 0.167 H 267.9°. Best body text is #FFFFFF at 9.10:1 contrast (WCAG AA passes).

Color values

HEX	#263EA4
RGB	rgb(38, 62, 164)
HSL	hsl(229, 62%, 40%)
HSV	hsv(229, 77%, 64%)
CMYK	cmyk(76.8%, 62.2%, 0%, 35.7%)
CIE-LAB	lab(30.73, 28.33, -57.59)
CIE-LCH	lch(30.73, 64.18, 296.19°)
OKLab	oklab(41.37% -0.006 -0.1664)
OKLCH	oklch(41.37% 0.167 267.9)
XYZ	xyz(9.2205, 6.5366, 35.8905)
Luminance	0.0654 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263EA4 #A48C26

analogous

#267DA4 #263EA4 #4D26A4

triadic

#263EA4 #A4263E #3EA426

tetradic

#263EA4 #A4267D #A48C26 #26A44D

square

#263EA4 #A4267D #A48C26 #26A44D

split-complementary

#263EA4 #A44D26 #7DA426

monochromatic

#0F1841 #1A2B72 #263EA4 #3754D1 #687EDC

Accessibility & contrast

On white

9.10

#263EA4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#263EA4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263EA4

9.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263EA4	#FFFFFF	#000000	##FFFFFF
##263EA4	1.00	9.10	2.31	9.10
#FFFFFF	9.10	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EA7

Deuteranopia (green-blind)

#0043A2

Tritanopia (blue-blind)

#00586B

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #263ea4;
/* rgb */ color: rgb(38, 62, 164);
/* oklch */ color: oklch(41.4% 0.167 267.9);

Tailwind

colors: {
  custom: {
    50: '#7473c0',
    500: '#263ea4',
    950: '#000000',
  },
}

SCSS

$custom: #263ea4;
$custom-light: #7473c0;
$custom-dark: #000000;

JSON

{
  "hex": "#263ea4",
  "rgb": {
    "r": 38,
    "g": 62,
    "b": 164
  },
  "hsl": {
    "h": 228.571,
    "s": 62.376,
    "l": 39.608
  },
  "oklch": {
    "l": 0.41374,
    "c": 0.16656,
    "h": 267.9
  },
  "luminance": 0.06538
}

Semantic roles & 50–950 ramp

primary

#263EA4

secondary

#C2B064

accent

#C642E5

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #263EA4

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

Preview Lab → · Contrast checker → · Palette generator →