#263B90#263B90

#263B90 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.0% C 0.143 H 268.4°. Best body text is #FFFFFF at 9.95:1 contrast (WCAG AA passes).

Color values

HEX	#263B90
RGB	rgb(38, 59, 144)
HSL	hsl(228, 58%, 36%)
HSV	hsv(228, 74%, 56%)
CMYK	cmyk(73.6%, 59%, 0%, 43.5%)
CIE-LAB	lab(28.25, 22.71, -49.45)
CIE-LCH	lch(28.25, 54.41, 294.66°)
OKLab	oklab(39.01% -0.004 -0.1426)
OKLCH	oklch(39.01% 0.143 268.4)
XYZ	xyz(7.3956, 5.5528, 27.0622)
Luminance	0.0555 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263B90 #907B26

analogous

#267090 #263B90 #462690

triadic

#263B90 #90263B #3B9026

tetradic

#263B90 #902670 #907B26 #269046

square

#263B90 #902670 #907B26 #269046

split-complementary

#263B90 #904626 #709026

monochromatic

#0C132F #192760 #263B90 #334FC0 #5C74D4

Accessibility & contrast

On white

9.95

#263B90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#263B90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263B90

9.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263B90	#FFFFFF	#000000	##FFFFFF
##263B90	1.00	9.95	2.11	9.95
#FFFFFF	9.95	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004893

Deuteranopia (green-blind)

#003E8E

Tritanopia (blue-blind)

#00505F

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #263b90;
/* rgb */ color: rgb(38, 59, 144);
/* oklch */ color: oklch(39.0% 0.143 268.4);

Tailwind

colors: {
  custom: {
    50: '#7070b1',
    500: '#263b90',
    950: '#000000',
  },
}

SCSS

$custom: #263b90;
$custom-light: #7070b1;
$custom-dark: #000000;

JSON

{
  "hex": "#263b90",
  "rgb": {
    "r": 38,
    "g": 59,
    "b": 144
  },
  "hsl": {
    "h": 228.113,
    "s": 58.242,
    "l": 35.686
  },
  "oklch": {
    "l": 0.39012,
    "c": 0.14264,
    "h": 268.4
  },
  "luminance": 0.05554
}

Semantic roles & 50–950 ramp

primary

#263B90

secondary

#B9A659

accent

#C346E1

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #263B90

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

Preview Lab → · Contrast checker → · Palette generator →