#263B91#263B91

#263B91 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.1% C 0.144 H 268.4°. Best body text is #FFFFFF at 9.92:1 contrast (WCAG AA passes).

Color values

HEX	#263B91
RGB	rgb(38, 59, 145)
HSL	hsl(228, 58%, 36%)
HSV	hsv(228, 74%, 57%)
CMYK	cmyk(73.8%, 59.3%, 0%, 43.1%)
CIE-LAB	lab(28.34, 23.09, -49.93)
CIE-LCH	lch(28.34, 55.01, 294.82°)
OKLab	oklab(39.1% -0.004 -0.144)
OKLCH	oklch(39.1% 0.144 268.4)
XYZ	xyz(7.4724, 5.5836, 27.4665)
Luminance	0.0558 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263B91 #917C26

analogous

#267091 #263B91 #462691

triadic

#263B91 #91263B #3B9126

tetradic

#263B91 #912670 #917C26 #269146

square

#263B91 #912670 #917C26 #269146

split-complementary

#263B91 #914626 #709126

monochromatic

#0D1430 #192761 #263B91 #334FC1 #5D74D5

Accessibility & contrast

On white

9.92

#263B91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#263B91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263B91

9.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263B91	#FFFFFF	#000000	##FFFFFF
##263B91	1.00	9.92	2.12	9.92
#FFFFFF	9.92	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004894

Deuteranopia (green-blind)

#003E8F

Tritanopia (blue-blind)

#005060

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #263b91;
/* rgb */ color: rgb(38, 59, 145);
/* oklch */ color: oklch(39.1% 0.144 268.4);

Tailwind

colors: {
  custom: {
    50: '#7070b2',
    500: '#263b91',
    950: '#000000',
  },
}

SCSS

$custom: #263b91;
$custom-light: #7070b2;
$custom-dark: #000000;

JSON

{
  "hex": "#263b91",
  "rgb": {
    "r": 38,
    "g": 59,
    "b": 145
  },
  "hsl": {
    "h": 228.224,
    "s": 58.47,
    "l": 35.882
  },
  "oklch": {
    "l": 0.39098,
    "c": 0.14405,
    "h": 268.4
  },
  "luminance": 0.05584
}

Semantic roles & 50–950 ramp

primary

#263B91

secondary

#BAA759

accent

#C346E2

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #263B91

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

Preview Lab → · Contrast checker → · Palette generator →