#263B9B#263B9B

#263B9B is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.0% C 0.158 H 268.6°. Best body text is #FFFFFF at 9.63:1 contrast (WCAG AA passes).

Color values

HEX	#263B9B
RGB	rgb(38, 59, 155)
HSL	hsl(229, 61%, 38%)
HSV	hsv(229, 75%, 61%)
CMYK	cmyk(75.5%, 61.9%, 0%, 39.2%)
CIE-LAB	lab(29.17, 26.92, -54.68)
CIE-LCH	lch(29.17, 60.95, 296.21°)
OKLab	oklab(39.98% -0.0039 -0.1579)
OKLCH	oklch(39.98% 0.158 268.6)
XYZ	xyz(8.2776, 5.9057, 31.7076)
Luminance	0.0591 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263B9B #9B8626

analogous

#26759B #263B9B #4C269B

triadic

#263B9B #9B263B #3B9B26

tetradic

#263B9B #9B2675 #9B8626 #269B4C

square

#263B9B #9B2675 #9B8626 #269B4C

split-complementary

#263B9B #9B4C26 #759B26

monochromatic

#0E1639 #1A286A #263B9B #324ECC #6378D9

Accessibility & contrast

On white

9.63

#263B9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#263B9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263B9B

9.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263B9B	#FFFFFF	#000000	##FFFFFF
##263B9B	1.00	9.63	2.18	9.63
#FFFFFF	9.63	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A9E

Deuteranopia (green-blind)

#003F99

Tritanopia (blue-blind)

#005365

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #263b9b;
/* rgb */ color: rgb(38, 59, 155);
/* oklch */ color: oklch(40.0% 0.158 268.6);

Tailwind

colors: {
  custom: {
    50: '#7270b9',
    500: '#263b9b',
    950: '#000000',
  },
}

SCSS

$custom: #263b9b;
$custom-light: #7270b9;
$custom-dark: #000000;

JSON

{
  "hex": "#263b9b",
  "rgb": {
    "r": 38,
    "g": 59,
    "b": 155
  },
  "hsl": {
    "h": 229.231,
    "s": 60.622,
    "l": 37.843
  },
  "oklch": {
    "l": 0.39982,
    "c": 0.158,
    "h": 268.6
  },
  "luminance": 0.05907
}

Semantic roles & 50–950 ramp

primary

#263B9B

secondary

#BEAD5F

accent

#C744E4

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #263B9B

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

Preview Lab → · Contrast checker → · Palette generator →