#263A90#263A90

#263A90 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 38.8% C 0.144 H 268.7°. Best body text is #FFFFFF at 10.05:1 contrast (WCAG AA passes).

Color values

HEX	#263A90
RGB	rgb(38, 58, 144)
HSL	hsl(229, 58%, 36%)
HSV	hsv(229, 74%, 56%)
CMYK	cmyk(73.6%, 59.7%, 0%, 43.5%)
CIE-LAB	lab(27.98, 23.39, -49.89)
CIE-LCH	lch(27.98, 55.10, 295.12°)
OKLab	oklab(38.81% -0.0032 -0.1439)
OKLCH	oklch(38.81% 0.144 268.7)
XYZ	xyz(7.3447, 5.4510, 27.0452)
Luminance	0.0545 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263A90 #907C26

analogous

#266F90 #263A90 #472690

triadic

#263A90 #90263A #3A9026

tetradic

#263A90 #90266F #907C26 #269047

square

#263A90 #90266F #907C26 #269047

split-complementary

#263A90 #904726 #6F9026

monochromatic

#0C132F #192660 #263A90 #334EC0 #5C73D4

Accessibility & contrast

On white

10.05

#263A90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#263A90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263A90

10.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263A90	#FFFFFF	#000000	##FFFFFF
##263A90	1.00	10.05	2.09	10.05
#FFFFFF	10.05	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004793

Deuteranopia (green-blind)

#003D8E

Tritanopia (blue-blind)

#004F5F

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #263a90;
/* rgb */ color: rgb(38, 58, 144);
/* oklch */ color: oklch(38.8% 0.144 268.7);

Tailwind

colors: {
  custom: {
    50: '#706fb1',
    500: '#263a90',
    950: '#000000',
  },
}

SCSS

$custom: #263a90;
$custom-light: #706fb1;
$custom-dark: #000000;

JSON

{
  "hex": "#263a90",
  "rgb": {
    "r": 38,
    "g": 58,
    "b": 144
  },
  "hsl": {
    "h": 228.679,
    "s": 58.242,
    "l": 35.686
  },
  "oklch": {
    "l": 0.38809,
    "c": 0.14394,
    "h": 268.7
  },
  "luminance": 0.05452
}

Semantic roles & 50–950 ramp

primary

#263A90

secondary

#B9A759

accent

#C446E1

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #263A90

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

Preview Lab → · Contrast checker → · Palette generator →