#263CA6#263CA6

#263CA6 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.2% C 0.172 H 268.4°. Best body text is #FFFFFF at 9.21:1 contrast (WCAG AA passes).

Color values

HEX	#263CA6
RGB	rgb(38, 60, 166)
HSL	hsl(230, 63%, 40%)
HSV	hsv(230, 77%, 65%)
CMYK	cmyk(77.1%, 63.9%, 0%, 34.9%)
CIE-LAB	lab(30.39, 30.41, -59.35)
CIE-LCH	lch(30.39, 66.68, 297.13°)
OKLab	oklab(41.18% -0.0047 -0.1716)
OKLCH	oklch(41.18% 0.172 268.4)
XYZ	xyz(9.2957, 6.3959, 36.8136)
Luminance	0.0640 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263CA6 #A69026

analogous

#267CA6 #263CA6 #5026A6

triadic

#263CA6 #A6263C #3CA626

tetradic

#263CA6 #A6267C #A69026 #26A650

square

#263CA6 #A6267C #A69026 #26A650

split-complementary

#263CA6 #A65026 #7CA626

monochromatic

#0F1842 #1B2A74 #263CA6 #3852D1 #6A7DDD

Accessibility & contrast

On white

9.21

#263CA6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#263CA6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263CA6

9.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263CA6	#FFFFFF	#000000	##FFFFFF
##263CA6	1.00	9.21	2.28	9.21
#FFFFFF	9.21	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EA9

Deuteranopia (green-blind)

#0042A4

Tritanopia (blue-blind)

#00586B

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #263ca6;
/* rgb */ color: rgb(38, 60, 166);
/* oklch */ color: oklch(41.2% 0.172 268.4);

Tailwind

colors: {
  custom: {
    50: '#7571c1',
    500: '#263ca6',
    950: '#000000',
  },
}

SCSS

$custom: #263ca6;
$custom-light: #7571c1;
$custom-dark: #000000;

JSON

{
  "hex": "#263ca6",
  "rgb": {
    "r": 38,
    "g": 60,
    "b": 166
  },
  "hsl": {
    "h": 229.688,
    "s": 62.745,
    "l": 40
  },
  "oklch": {
    "l": 0.41179,
    "c": 0.17169,
    "h": 268.4
  },
  "luminance": 0.06397
}

Semantic roles & 50–950 ramp

primary

#263CA6

secondary

#C3B365

accent

#CA42E6

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #263CA6

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

Preview Lab → · Contrast checker → · Palette generator →