#263D6B#263D6B

#263D6B is a dark, moderate blue. Relative luminance 0.048; OKLCH L 36.6% C 0.085 H 262.9°. Best body text is #FFFFFF at 10.70:1 contrast (WCAG AA passes).

Color values

HEX	#263D6B
RGB	rgb(38, 61, 107)
HSL	hsl(220, 48%, 28%)
HSV	hsv(220, 64%, 42%)
CMYK	cmyk(64.5%, 43%, 0%, 58%)
CIE-LAB	lab(26.19, 7.00, -29.55)
CIE-LCH	lch(26.19, 30.37, 283.33°)
OKLab	oklab(36.6% -0.0105 -0.084)
OKLCH	oklch(36.6% 0.085 262.9)
XYZ	xyz(5.1210, 4.8106, 14.5657)
Luminance	0.0481 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263D6B #6B5426

analogous

#265F6B #263D6B #31266B

triadic

#263D6B #6B263D #3D6B26

tetradic

#263D6B #6B265F #6B5426 #266B31

square

#263D6B #6B265F #6B5426 #266B31

split-complementary

#263D6B #6B3126 #5F6B26

monochromatic

#080D17 #16233E #263D6B #365798 #4C72BF

Accessibility & contrast

On white

10.70

#263D6B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#263D6B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263D6B

10.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263D6B	#FFFFFF	#000000	##FFFFFF
##263D6B	1.00	10.70	1.96	10.70
#FFFFFF	10.70	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#29416D

Deuteranopia (green-blind)

#1F3B6A

Tritanopia (blue-blind)

#00474E

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #263d6b;
/* rgb */ color: rgb(38, 61, 107);
/* oklch */ color: oklch(36.6% 0.085 262.9);

Tailwind

colors: {
  custom: {
    50: '#677295',
    500: '#263d6b',
    950: '#000000',
  },
}

SCSS

$custom: #263d6b;
$custom-light: #677295;
$custom-dark: #000000;

JSON

{
  "hex": "#263d6b",
  "rgb": {
    "r": 38,
    "g": 61,
    "b": 107
  },
  "hsl": {
    "h": 220,
    "s": 47.586,
    "l": 28.431
  },
  "oklch": {
    "l": 0.36596,
    "c": 0.08471,
    "h": 262.9
  },
  "luminance": 0.04811
}

Semantic roles & 50–950 ramp

primary

#263D6B

secondary

#9E844F

accent

#AA51D7

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070D

muted

#7A7A7E

Preview Lab

Preview with #263D6B

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

Preview Lab → · Contrast checker → · Palette generator →