#263B6E#263B6E

#263B6E is a dark, moderate blue. Relative luminance 0.047; OKLCH L 36.3% C 0.092 H 265.3°. Best body text is #FFFFFF at 10.86:1 contrast (WCAG AA passes).

Color values

HEX	#263B6E
RGB	rgb(38, 59, 110)
HSL	hsl(223, 49%, 29%)
HSV	hsv(223, 65%, 43%)
CMYK	cmyk(65.5%, 46.4%, 0%, 56.9%)
CIE-LAB	lab(25.76, 9.53, -32.15)
CIE-LCH	lch(25.76, 33.54, 286.52°)
OKLab	oklab(36.33% -0.0076 -0.0917)
OKLCH	oklch(36.33% 0.092 265.3)
XYZ	xyz(5.1768, 4.6653, 15.3765)
Luminance	0.0467 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263B6E #6E5926

analogous

#265F6E #263B6E #35266E

triadic

#263B6E #6E263B #3B6E26

tetradic

#263B6E #6E265F #6E5926 #266E35

square

#263B6E #6E265F #6E5926 #266E35

split-complementary

#263B6E #6E3526 #5F6E26

monochromatic

#080C17 #162341 #263B6E #36539B #4D6FC1

Accessibility & contrast

On white

10.86

#263B6E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#263B6E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263B6E

10.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263B6E	#FFFFFF	#000000	##FFFFFF
##263B6E	1.00	10.86	1.93	10.86
#FFFFFF	10.86	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#234170

Deuteranopia (green-blind)

#183A6D

Tritanopia (blue-blind)

#00474F

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #263b6e;
/* rgb */ color: rgb(38, 59, 110);
/* oklch */ color: oklch(36.3% 0.092 265.3);

Tailwind

colors: {
  custom: {
    50: '#687098',
    500: '#263b6e',
    950: '#000000',
  },
}

SCSS

$custom: #263b6e;
$custom-light: #687098;
$custom-dark: #000000;

JSON

{
  "hex": "#263b6e",
  "rgb": {
    "r": 38,
    "g": 59,
    "b": 110
  },
  "hsl": {
    "h": 222.5,
    "s": 48.649,
    "l": 29.02
  },
  "oklch": {
    "l": 0.36327,
    "c": 0.09203,
    "h": 265.3
  },
  "luminance": 0.04666
}

Semantic roles & 50–950 ramp

primary

#263B6E

secondary

#A1894F

accent

#B050D8

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07070D

muted

#7A7A7E

Preview Lab

Preview with #263B6E

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

Preview Lab → · Contrast checker → · Palette generator →