#263A6B#263A6B

#263A6B is a dark, moderate blue. Relative luminance 0.045; OKLCH L 35.9% C 0.089 H 265.5°. Best body text is #FFFFFF at 11.05:1 contrast (WCAG AA passes).

Color values

HEX	#263A6B
RGB	rgb(38, 58, 107)
HSL	hsl(223, 48%, 28%)
HSV	hsv(223, 64%, 42%)
CMYK	cmyk(64.5%, 45.8%, 0%, 58%)
CIE-LAB	lab(25.26, 9.08, -31.03)
CIE-LCH	lch(25.26, 32.33, 286.31°)
OKLab	oklab(35.88% -0.007 -0.0884)
OKLCH	oklch(35.88% 0.089 265.5)
XYZ	xyz(4.9653, 4.4993, 14.5139)
Luminance	0.0450 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263A6B #6B5726

analogous

#265C6B #263A6B #34266B

triadic

#263A6B #6B263A #3A6B26

tetradic

#263A6B #6B265C #6B5726 #266B34

square

#263A6B #6B265C #6B5726 #266B34

split-complementary

#263A6B #6B3426 #5C6B26

monochromatic

#080C17 #16223E #263A6B #365298 #4C6DBF

Accessibility & contrast

On white

11.05

#263A6B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#263A6B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263A6B

11.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263A6B	#FFFFFF	#000000	##FFFFFF
##263A6B	1.00	11.05	1.90	11.05
#FFFFFF	11.05	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#243F6D

Deuteranopia (green-blind)

#19396A

Tritanopia (blue-blind)

#00454D

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #263a6b;
/* rgb */ color: rgb(38, 58, 107);
/* oklch */ color: oklch(35.9% 0.089 265.5);

Tailwind

colors: {
  custom: {
    50: '#686f96',
    500: '#263a6b',
    950: '#000000',
  },
}

SCSS

$custom: #263a6b;
$custom-light: #686f96;
$custom-dark: #000000;

JSON

{
  "hex": "#263a6b",
  "rgb": {
    "r": 38,
    "g": 58,
    "b": 107
  },
  "hsl": {
    "h": 222.609,
    "s": 47.586,
    "l": 28.431
  },
  "oklch": {
    "l": 0.35879,
    "c": 0.08872,
    "h": 265.5
  },
  "luminance": 0.045
}

Semantic roles & 50–950 ramp

primary

#263A6B

secondary

#9E874F

accent

#B051D7

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070D

muted

#7A7A7E

Preview Lab

Preview with #263A6B

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

Preview Lab → · Contrast checker → · Palette generator →