#263C91#263C91

#263C91 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.3% C 0.143 H 268.1°. Best body text is #FFFFFF at 9.82:1 contrast (WCAG AA passes).

Color values

HEX	#263C91
RGB	rgb(38, 60, 145)
HSL	hsl(228, 58%, 36%)
HSV	hsv(228, 74%, 57%)
CMYK	cmyk(73.8%, 58.6%, 0%, 43.1%)
CIE-LAB	lab(28.61, 22.41, -49.48)
CIE-LCH	lch(28.61, 54.32, 294.36°)
OKLab	oklab(39.3% -0.0048 -0.1427)
OKLCH	oklch(39.3% 0.143 268.1)
XYZ	xyz(7.5243, 5.6873, 27.4838)
Luminance	0.0569 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263C91 #917B26

analogous

#267191 #263C91 #462691

triadic

#263C91 #91263C #3C9126

tetradic

#263C91 #912671 #917B26 #269146

square

#263C91 #912671 #917B26 #269146

split-complementary

#263C91 #914626 #719126

monochromatic

#0D1430 #192861 #263C91 #3350C1 #5D75D5

Accessibility & contrast

On white

9.82

#263C91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#263C91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263C91

9.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263C91	#FFFFFF	#000000	##FFFFFF
##263C91	1.00	9.82	2.14	9.82
#FFFFFF	9.82	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004994

Deuteranopia (green-blind)

#003F8F

Tritanopia (blue-blind)

#005160

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #263c91;
/* rgb */ color: rgb(38, 60, 145);
/* oklch */ color: oklch(39.3% 0.143 268.1);

Tailwind

colors: {
  custom: {
    50: '#7071b2',
    500: '#263c91',
    950: '#000000',
  },
}

SCSS

$custom: #263c91;
$custom-light: #7071b2;
$custom-dark: #000000;

JSON

{
  "hex": "#263c91",
  "rgb": {
    "r": 38,
    "g": 60,
    "b": 145
  },
  "hsl": {
    "h": 227.664,
    "s": 58.47,
    "l": 35.882
  },
  "oklch": {
    "l": 0.39303,
    "c": 0.14276,
    "h": 268.1
  },
  "luminance": 0.05688
}

Semantic roles & 50–950 ramp

primary

#263C91

secondary

#BAA659

accent

#C246E2

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #263C91

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

Preview Lab → · Contrast checker → · Palette generator →