#263FAF#263FAF

#263FAF is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.6% C 0.180 H 267.8°. Best body text is #FFFFFF at 8.71:1 contrast (WCAG AA passes).

Color values

HEX	#263FAF
RGB	rgb(38, 63, 175)
HSL	hsl(229, 64%, 42%)
HSV	hsv(229, 78%, 69%)
CMYK	cmyk(78.3%, 64%, 0%, 31.4%)
CIE-LAB	lab(31.95, 31.81, -62.19)
CIE-LCH	lch(31.95, 69.85, 297.09°)
OKLab	oklab(42.57% -0.0068 -0.1799)
OKLCH	oklch(42.57% 0.18 267.8)
XYZ	xyz(10.3120, 7.0611, 41.3686)
Luminance	0.0706 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263FAF #AF9626

analogous

#2684AF #263FAF #5226AF

triadic

#263FAF #AF263F #3FAF26

tetradic

#263FAF #AF2684 #AF9626 #26AF52

square

#263FAF #AF2684 #AF9626 #26AF52

split-complementary

#263FAF #AF5226 #84AF26

monochromatic

#101B4A #1B2D7D #263FAF #3D59D5 #7084E0

Accessibility & contrast

On white

8.71

#263FAF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#263FAF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263FAF

8.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263FAF	#FFFFFF	#000000	##FFFFFF
##263FAF	1.00	8.71	2.41	8.71
#FFFFFF	8.71	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052B3

Deuteranopia (green-blind)

#0045AD

Tritanopia (blue-blind)

#005C71

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #263faf;
/* rgb */ color: rgb(38, 63, 175);
/* oklch */ color: oklch(42.6% 0.180 267.8);

Tailwind

colors: {
  custom: {
    50: '#7774c8',
    500: '#263faf',
    950: '#000000',
  },
}

SCSS

$custom: #263faf;
$custom-light: #7774c8;
$custom-dark: #000000;

JSON

{
  "hex": "#263faf",
  "rgb": {
    "r": 38,
    "g": 63,
    "b": 175
  },
  "hsl": {
    "h": 229.051,
    "s": 64.319,
    "l": 41.765
  },
  "oklch": {
    "l": 0.42571,
    "c": 0.18005,
    "h": 267.8
  },
  "luminance": 0.07062
}

Semantic roles & 50–950 ramp

primary

#263FAF

secondary

#C7B66A

accent

#C940E7

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #263FAF

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

Preview Lab → · Contrast checker → · Palette generator →