#263F7B#263F7B

#263F7B is a dark, moderate blue. Relative luminance 0.054; OKLCH L 38.2% C 0.107 H 264.8°. Best body text is #FFFFFF at 10.10:1 contrast (WCAG AA passes).

Color values

HEX	#263F7B
RGB	rgb(38, 63, 123)
HSL	hsl(222, 53%, 32%)
HSV	hsv(222, 69%, 48%)
CMYK	cmyk(69.1%, 48.8%, 0%, 51.8%)
CIE-LAB	lab(27.84, 11.79, -37.06)
CIE-LCH	lch(27.84, 38.89, 287.65°)
OKLab	oklab(38.2% -0.0096 -0.1061)
OKLCH	oklch(38.2% 0.107 264.8)
XYZ	xyz(6.1507, 5.3966, 19.4525)
Luminance	0.0540 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263F7B #7B6226

analogous

#266A7B #263F7B #38267B

triadic

#263F7B #7B263F #3F7B26

tetradic

#263F7B #7B266A #7B6226 #267B38

square

#263F7B #7B266A #7B6226 #267B38

split-complementary

#263F7B #7B3826 #6A7B26

monochromatic

#090F1D #18274C #263F7B #3457AA #5275CA

Accessibility & contrast

On white

10.10

#263F7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#263F7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263F7B

10.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263F7B	#FFFFFF	#000000	##FFFFFF
##263F7B	1.00	10.10	2.08	10.10
#FFFFFF	10.10	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#20467D

Deuteranopia (green-blind)

#0F3E7A

Tritanopia (blue-blind)

#004D57

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #263f7b;
/* rgb */ color: rgb(38, 63, 123);
/* oklch */ color: oklch(38.2% 0.107 264.8);

Tailwind

colors: {
  custom: {
    50: '#6b73a2',
    500: '#263f7b',
    950: '#000000',
  },
}

SCSS

$custom: #263f7b;
$custom-light: #6b73a2;
$custom-dark: #000000;

JSON

{
  "hex": "#263f7b",
  "rgb": {
    "r": 38,
    "g": 63,
    "b": 123
  },
  "hsl": {
    "h": 222.353,
    "s": 52.795,
    "l": 31.569
  },
  "oklch": {
    "l": 0.38198,
    "c": 0.10653,
    "h": 264.8
  },
  "luminance": 0.05397
}

Semantic roles & 50–950 ramp

primary

#263F7B

secondary

#AD9250

accent

#B24CDC

background

#F6F6FA

surface

#ECECF3

border

#C7C7CD

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #263F7B

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

Preview Lab → · Contrast checker → · Palette generator →