#263B9F#263B9F

#263B9F is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.3% C 0.163 H 268.6°. Best body text is #FFFFFF at 9.51:1 contrast (WCAG AA passes).

Color values

HEX	#263B9F
RGB	rgb(38, 59, 159)
HSL	hsl(230, 61%, 39%)
HSV	hsv(230, 76%, 62%)
CMYK	cmyk(76.1%, 62.9%, 0%, 37.6%)
CIE-LAB	lab(29.52, 28.43, -56.55)
CIE-LCH	lch(29.52, 63.29, 296.69°)
OKLab	oklab(40.35% -0.0039 -0.1634)
OKLCH	oklch(40.35% 0.163 268.6)
XYZ	xyz(8.6191, 6.0423, 33.5062)
Luminance	0.0604 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263B9F #9F8A26

analogous

#26779F #263B9F #4D269F

triadic

#263B9F #9F263B #3B9F26

tetradic

#263B9F #9F2677 #9F8A26 #269F4D

square

#263B9F #9F2677 #9F8A26 #269F4D

split-complementary

#263B9F #9F4D26 #779F26

monochromatic

#0E163C #1A296E #263B9F #344FCE #6579DA

Accessibility & contrast

On white

9.51

#263B9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#263B9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263B9F

9.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263B9F	#FFFFFF	#000000	##FFFFFF
##263B9F	1.00	9.51	2.21	9.51
#FFFFFF	9.51	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BA2

Deuteranopia (green-blind)

#00409D

Tritanopia (blue-blind)

#005567

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #263b9f;
/* rgb */ color: rgb(38, 59, 159);
/* oklch */ color: oklch(40.3% 0.163 268.6);

Tailwind

colors: {
  custom: {
    50: '#7370bc',
    500: '#263b9f',
    950: '#000000',
  },
}

SCSS

$custom: #263b9f;
$custom-light: #7370bc;
$custom-dark: #000000;

JSON

{
  "hex": "#263b9f",
  "rgb": {
    "r": 38,
    "g": 59,
    "b": 159
  },
  "hsl": {
    "h": 229.587,
    "s": 61.421,
    "l": 38.627
  },
  "oklch": {
    "l": 0.40345,
    "c": 0.16347,
    "h": 268.6
  },
  "luminance": 0.06043
}

Semantic roles & 50–950 ramp

primary

#263B9F

secondary

#C0AF61

accent

#C943E5

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #263B9F

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

Preview Lab → · Contrast checker → · Palette generator →