#263B9C#263B9C

#263B9C is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.1% C 0.159 H 268.6°. Best body text is #FFFFFF at 9.60:1 contrast (WCAG AA passes).

Color values

HEX	#263B9C
RGB	rgb(38, 59, 156)
HSL	hsl(229, 61%, 38%)
HSV	hsv(229, 76%, 61%)
CMYK	cmyk(75.6%, 62.2%, 0%, 38.8%)
CIE-LAB	lab(29.26, 27.30, -55.15)
CIE-LCH	lch(29.26, 61.53, 296.33°)
OKLab	oklab(40.07% -0.0039 -0.1593)
OKLCH	oklch(40.07% 0.159 268.6)
XYZ	xyz(8.3620, 5.9394, 32.1518)
Luminance	0.0594 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263B9C #9C8726

analogous

#26769C #263B9C #4C269C

triadic

#263B9C #9C263B #3B9C26

tetradic

#263B9C #9C2676 #9C8726 #269C4C

square

#263B9C #9C2676 #9C8726 #269C4C

split-complementary

#263B9C #9C4C26 #769C26

monochromatic

#0E163A #1A286B #263B9C #324ECD #6378D9

Accessibility & contrast

On white

9.60

#263B9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#263B9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263B9C

9.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263B9C	#FFFFFF	#000000	##FFFFFF
##263B9C	1.00	9.60	2.19	9.60
#FFFFFF	9.60	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004B9F

Deuteranopia (green-blind)

#00409A

Tritanopia (blue-blind)

#005465

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #263b9c;
/* rgb */ color: rgb(38, 59, 156);
/* oklch */ color: oklch(40.1% 0.159 268.6);

Tailwind

colors: {
  custom: {
    50: '#7370ba',
    500: '#263b9c',
    950: '#000000',
  },
}

SCSS

$custom: #263b9c;
$custom-light: #7370ba;
$custom-dark: #000000;

JSON

{
  "hex": "#263b9c",
  "rgb": {
    "r": 38,
    "g": 59,
    "b": 156
  },
  "hsl": {
    "h": 229.322,
    "s": 60.825,
    "l": 38.039
  },
  "oklch": {
    "l": 0.40072,
    "c": 0.15938,
    "h": 268.6
  },
  "luminance": 0.0594
}

Semantic roles & 50–950 ramp

primary

#263B9C

secondary

#BFAE5F

accent

#C744E4

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #263B9C

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

Preview Lab → · Contrast checker → · Palette generator →