#263F6C#263F6C

#263F6C is a dark, moderate blue. Relative luminance 0.051; OKLCH L 37.1% C 0.084 H 261.3°. Best body text is #FFFFFF at 10.45:1 contrast (WCAG AA passes).

Color values

HEX	#263F6C
RGB	rgb(38, 63, 108)
HSL	hsl(219, 48%, 29%)
HSV	hsv(219, 65%, 42%)
CMYK	cmyk(64.8%, 41.7%, 0%, 57.6%)
CIE-LAB	lab(26.87, 6.01, -29.10)
CIE-LCH	lch(26.87, 29.71, 281.67°)
OKLab	oklab(37.15% -0.0127 -0.0827)
OKLCH	oklch(37.15% 0.084 261.3)
XYZ	xyz(5.2827, 5.0493, 14.8807)
Luminance	0.0505 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263F6C #6C5326

analogous

#26626C #263F6C #30266C

triadic

#263F6C #6C263F #3F6C26

tetradic

#263F6C #6C2662 #6C5326 #266C30

square

#263F6C #6C2662 #6C5326 #266C30

split-complementary

#263F6C #6C3026 #626C26

monochromatic

#080D17 #16253F #263F6C #365999 #4C76C0

Accessibility & contrast

On white

10.45

#263F6C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#263F6C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263F6C

10.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263F6C	#FFFFFF	#000000	##FFFFFF
##263F6C	1.00	10.45	2.01	10.45
#FFFFFF	10.45	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B436E

Deuteranopia (green-blind)

#223D6B

Tritanopia (blue-blind)

#004950

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #263f6c;
/* rgb */ color: rgb(38, 63, 108);
/* oklch */ color: oklch(37.1% 0.084 261.3);

Tailwind

colors: {
  custom: {
    50: '#687396',
    500: '#263f6c',
    950: '#000000',
  },
}

SCSS

$custom: #263f6c;
$custom-light: #687396;
$custom-dark: #000000;

JSON

{
  "hex": "#263f6c",
  "rgb": {
    "r": 38,
    "g": 63,
    "b": 108
  },
  "hsl": {
    "h": 218.571,
    "s": 47.945,
    "l": 28.627
  },
  "oklch": {
    "l": 0.37147,
    "c": 0.08366,
    "h": 261.3
  },
  "luminance": 0.0505
}

Semantic roles & 50–950 ramp

primary

#263F6C

secondary

#9F824F

accent

#A750D8

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06080D

muted

#7A7B7E

Preview Lab

Preview with #263F6C

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

Preview Lab → · Contrast checker → · Palette generator →