#263A9B#263A9B

#263A9B is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.8% C 0.159 H 268.9°. Best body text is #FFFFFF at 9.72:1 contrast (WCAG AA passes).

Color values

HEX	#263A9B
RGB	rgb(38, 58, 155)
HSL	hsl(230, 61%, 38%)
HSV	hsv(230, 75%, 61%)
CMYK	cmyk(75.5%, 62.6%, 0%, 39.2%)
CIE-LAB	lab(28.91, 27.59, -55.11)
CIE-LCH	lch(28.91, 61.63, 296.59°)
OKLab	oklab(39.79% -0.0032 -0.1592)
OKLCH	oklch(39.79% 0.159 268.9)
XYZ	xyz(8.2267, 5.8039, 31.6907)
Luminance	0.0580 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263A9B #9B8726

analogous

#26749B #263A9B #4D269B

triadic

#263A9B #9B263A #3A9B26

tetradic

#263A9B #9B2674 #9B8726 #269B4D

square

#263A9B #9B2674 #9B8726 #269B4D

split-complementary

#263A9B #9B4D26 #749B26

monochromatic

#0E1539 #1A286A #263A9B #324CCC #6377D9

Accessibility & contrast

On white

9.72

#263A9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#263A9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263A9B

9.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263A9B	#FFFFFF	#000000	##FFFFFF
##263A9B	1.00	9.72	2.16	9.72
#FFFFFF	9.72	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A9E

Deuteranopia (green-blind)

#003F99

Tritanopia (blue-blind)

#005365

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #263a9b;
/* rgb */ color: rgb(38, 58, 155);
/* oklch */ color: oklch(39.8% 0.159 268.9);

Tailwind

colors: {
  custom: {
    50: '#7270b9',
    500: '#263a9b',
    950: '#000000',
  },
}

SCSS

$custom: #263a9b;
$custom-light: #7270b9;
$custom-dark: #000000;

JSON

{
  "hex": "#263a9b",
  "rgb": {
    "r": 38,
    "g": 58,
    "b": 155
  },
  "hsl": {
    "h": 229.744,
    "s": 60.622,
    "l": 37.843
  },
  "oklch": {
    "l": 0.39789,
    "c": 0.15925,
    "h": 268.9
  },
  "luminance": 0.05805
}

Semantic roles & 50–950 ramp

primary

#263A9B

secondary

#BEAE5F

accent

#C844E4

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #263A9B

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

Preview Lab → · Contrast checker → · Palette generator →