#263F6A#263F6A

#263F6A is a dark, moderate blue. Relative luminance 0.050; OKLCH L 37.0% C 0.081 H 260.6°. Best body text is #FFFFFF at 10.49:1 contrast (WCAG AA passes).

Color values

HEX	#263F6A
RGB	rgb(38, 63, 106)
HSL	hsl(218, 47%, 28%)
HSV	hsv(218, 64%, 42%)
CMYK	cmyk(64.2%, 40.6%, 0%, 58.4%)
CIE-LAB	lab(26.76, 5.25, -28.01)
CIE-LCH	lch(26.76, 28.50, 280.61°)
OKLab	oklab(37.02% -0.0132 -0.0795)
OKLCH	oklch(37.02% 0.081 260.6)
XYZ	xyz(5.1774, 5.0072, 14.3265)
Luminance	0.0501 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263F6A #6A5126

analogous

#26616A #263F6A #2F266A

triadic

#263F6A #6A263F #3F6A26

tetradic

#263F6A #6A2661 #6A5126 #266A2F

square

#263F6A #6A2661 #6A5126 #266A2F

split-complementary

#263F6A #6A2F26 #616A26

monochromatic

#080D17 #16243D #263F6A #365A97 #4C76BF

Accessibility & contrast

On white

10.49

#263F6A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#263F6A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263F6A

10.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263F6A	#FFFFFF	#000000	##FFFFFF
##263F6A	1.00	10.49	2.00	10.49
#FFFFFF	10.49	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D436C

Deuteranopia (green-blind)

#233C69

Tritanopia (blue-blind)

#00494F

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #263f6a;
/* rgb */ color: rgb(38, 63, 106);
/* oklch */ color: oklch(37.0% 0.081 260.6);

Tailwind

colors: {
  custom: {
    50: '#677395',
    500: '#263f6a',
    950: '#000000',
  },
}

SCSS

$custom: #263f6a;
$custom-light: #677395;
$custom-dark: #000000;

JSON

{
  "hex": "#263f6a",
  "rgb": {
    "r": 38,
    "g": 63,
    "b": 106
  },
  "hsl": {
    "h": 217.941,
    "s": 47.222,
    "l": 28.235
  },
  "oklch": {
    "l": 0.37015,
    "c": 0.08059,
    "h": 260.6
  },
  "luminance": 0.05008
}

Semantic roles & 50–950 ramp

primary

#263F6A

secondary

#9D804F

accent

#A651D7

background

#F6F6F9

surface

#EBECF1

border

#C6C7CB

text

#06080D

muted

#7A7B7E

Preview Lab

Preview with #263F6A

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

Preview Lab → · Contrast checker → · Palette generator →