#263F65#263F65

#263F65 is a dark, moderate blue. Relative luminance 0.049; OKLCH L 36.7% C 0.073 H 258.5°. Best body text is #FFFFFF at 10.60:1 contrast (WCAG AA passes).

Color values

HEX	#263F65
RGB	rgb(38, 63, 101)
HSL	hsl(216, 45%, 27%)
HSV	hsv(216, 62%, 40%)
CMYK	cmyk(62.4%, 37.6%, 0%, 60.4%)
CIE-LAB	lab(26.47, 3.36, -25.26)
CIE-LCH	lch(26.47, 25.48, 277.58°)
OKLab	oklab(36.7% -0.0145 -0.0715)
OKLCH	oklch(36.7% 0.073 258.5)
XYZ	xyz(4.9250, 4.9062, 12.9969)
Luminance	0.0491 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263F65 #654C26

analogous

#265F65 #263F65 #2C2665

triadic

#263F65 #65263F #3F6526

tetradic

#263F65 #65265F #654C26 #26652C

square

#263F65 #65265F #654C26 #26652C

split-complementary

#263F65 #652C26 #5F6526

monochromatic

#080E16 #152339 #263F65 #375B91 #4A77BB

Accessibility & contrast

On white

10.60

#263F65 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#263F65 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263F65

10.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263F65	#FFFFFF	#000000	##FFFFFF
##263F65	1.00	10.60	1.98	10.60
#FFFFFF	10.60	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F4267

Deuteranopia (green-blind)

#273C64

Tritanopia (blue-blind)

#00484D

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #263f65;
/* rgb */ color: rgb(38, 63, 101);
/* oklch */ color: oklch(36.7% 0.073 258.5);

Tailwind

colors: {
  custom: {
    50: '#667391',
    500: '#263f65',
    950: '#000000',
  },
}

SCSS

$custom: #263f65;
$custom-light: #667391;
$custom-dark: #000000;

JSON

{
  "hex": "#263f65",
  "rgb": {
    "r": 38,
    "g": 63,
    "b": 101
  },
  "hsl": {
    "h": 216.19,
    "s": 45.324,
    "l": 27.255
  },
  "oklch": {
    "l": 0.36696,
    "c": 0.07294,
    "h": 258.5
  },
  "luminance": 0.04907
}

Semantic roles & 50–950 ramp

primary

#263F65

secondary

#987B4F

accent

#A153D5

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#06080C

muted

#7A7B7D

Preview Lab

Preview with #263F65

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

Preview Lab → · Contrast checker → · Palette generator →