#263B6F#263B6F

#263B6F is a dark, moderate blue. Relative luminance 0.047; OKLCH L 36.4% C 0.094 H 265.5°. Best body text is #FFFFFF at 10.84:1 contrast (WCAG AA passes).

Color values

HEX	#263B6F
RGB	rgb(38, 59, 111)
HSL	hsl(223, 49%, 29%)
HSV	hsv(223, 66%, 44%)
CMYK	cmyk(65.8%, 46.8%, 0%, 56.5%)
CIE-LAB	lab(25.82, 9.92, -32.69)
CIE-LCH	lch(25.82, 34.16, 286.88°)
OKLab	oklab(36.4% -0.0074 -0.0933)
OKLCH	oklch(36.4% 0.094 265.5)
XYZ	xyz(5.2315, 4.6872, 15.6649)
Luminance	0.0469 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263B6F #6F5A26

analogous

#26606F #263B6F #36266F

triadic

#263B6F #6F263B #3B6F26

tetradic

#263B6F #6F2660 #6F5A26 #266F36

square

#263B6F #6F2660 #6F5A26 #266F36

split-complementary

#263B6F #6F3626 #606F26

monochromatic

#080C17 #162341 #263B6F #36539D #4D6FC2

Accessibility & contrast

On white

10.84

#263B6F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#263B6F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263B6F

10.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263B6F	#FFFFFF	#000000	##FFFFFF
##263B6F	1.00	10.84	1.94	10.84
#FFFFFF	10.84	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#234171

Deuteranopia (green-blind)

#173A6E

Tritanopia (blue-blind)

#00474F

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #263b6f;
/* rgb */ color: rgb(38, 59, 111);
/* oklch */ color: oklch(36.4% 0.094 265.5);

Tailwind

colors: {
  custom: {
    50: '#687099',
    500: '#263b6f',
    950: '#000000',
  },
}

SCSS

$custom: #263b6f;
$custom-light: #687099;
$custom-dark: #000000;

JSON

{
  "hex": "#263b6f",
  "rgb": {
    "r": 38,
    "g": 59,
    "b": 111
  },
  "hsl": {
    "h": 222.74,
    "s": 48.993,
    "l": 29.216
  },
  "oklch": {
    "l": 0.36398,
    "c": 0.09358,
    "h": 265.5
  },
  "luminance": 0.04688
}

Semantic roles & 50–950 ramp

primary

#263B6F

secondary

#A28A4F

accent

#B14FD9

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07070E

muted

#7A7A7E

Preview Lab

Preview with #263B6F

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

Preview Lab → · Contrast checker → · Palette generator →