#263C6B#263C6B

#263C6B is a dark, moderate blue. Relative luminance 0.047; OKLCH L 36.4% C 0.086 H 263.8°. Best body text is #FFFFFF at 10.82:1 contrast (WCAG AA passes).

Color values

HEX	#263C6B
RGB	rgb(38, 60, 107)
HSL	hsl(221, 48%, 28%)
HSV	hsv(221, 64%, 42%)
CMYK	cmyk(64.5%, 43.9%, 0%, 58%)
CIE-LAB	lab(25.88, 7.69, -30.04)
CIE-LCH	lch(25.88, 31.01, 284.36°)
OKLab	oklab(36.36% -0.0094 -0.0855)
OKLCH	oklch(36.36% 0.086 263.8)
XYZ	xyz(5.0681, 4.7049, 14.5481)
Luminance	0.0471 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263C6B #6B5526

analogous

#265E6B #263C6B #32266B

triadic

#263C6B #6B263C #3C6B26

tetradic

#263C6B #6B265E #6B5526 #266B32

square

#263C6B #6B265E #6B5526 #266B32

split-complementary

#263C6B #6B3226 #5E6B26

monochromatic

#080D17 #16233E #263C6B #365598 #4C71BF

Accessibility & contrast

On white

10.82

#263C6B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#263C6B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263C6B

10.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263C6B	#FFFFFF	#000000	##FFFFFF
##263C6B	1.00	10.82	1.94	10.82
#FFFFFF	10.82	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#27416D

Deuteranopia (green-blind)

#1D3A6A

Tritanopia (blue-blind)

#00474E

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #263c6b;
/* rgb */ color: rgb(38, 60, 107);
/* oklch */ color: oklch(36.4% 0.086 263.8);

Tailwind

colors: {
  custom: {
    50: '#677195',
    500: '#263c6b',
    950: '#000000',
  },
}

SCSS

$custom: #263c6b;
$custom-light: #677195;
$custom-dark: #000000;

JSON

{
  "hex": "#263c6b",
  "rgb": {
    "r": 38,
    "g": 60,
    "b": 107
  },
  "hsl": {
    "h": 220.87,
    "s": 47.586,
    "l": 28.431
  },
  "oklch": {
    "l": 0.36356,
    "c": 0.08603,
    "h": 263.8
  },
  "luminance": 0.04705
}

Semantic roles & 50–950 ramp

primary

#263C6B

secondary

#9E854F

accent

#AC51D7

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070D

muted

#7A7A7E

Preview Lab

Preview with #263C6B

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

Preview Lab → · Contrast checker → · Palette generator →