#263C5C#263C5C

#263C5C is a dark, moderate blue. Relative luminance 0.044; OKLCH L 35.4% C 0.063 H 257.7°. Best body text is #FFFFFF at 11.15:1 contrast (WCAG AA passes).

Color values

HEX	#263C5C
RGB	rgb(38, 60, 92)
HSL	hsl(216, 42%, 25%)
HSV	hsv(216, 59%, 36%)
CMYK	cmyk(58.7%, 34.8%, 0%, 63.9%)
CIE-LAB	lab(25.00, 2.06, -21.73)
CIE-LCH	lch(25.00, 21.83, 275.43°)
OKLab	oklab(35.39% -0.0134 -0.0612)
OKLCH	oklch(35.39% 0.063 257.7)
XYZ	xyz(4.3463, 4.4162, 10.7465)
Luminance	0.0442 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263C5C #5C4626

analogous

#26575C #263C5C #2B265C

triadic

#263C5C #5C263C #3C5C26

tetradic

#263C5C #5C2657 #5C4626 #265C2B

square

#263C5C #5C2657 #5C4626 #265C2B

split-complementary

#263C5C #5C2B26 #575C26

monochromatic

#090E16 #142031 #263C5C #385887 #4A74B3

Accessibility & contrast

On white

11.15

#263C5C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#263C5C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263C5C

11.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263C5C	#FFFFFF	#000000	##FFFFFF
##263C5C	1.00	11.15	1.88	11.15
#FFFFFF	11.15	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F3E5D

Deuteranopia (green-blind)

#28395B

Tritanopia (blue-blind)

#064347

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #263c5c;
/* rgb */ color: rgb(38, 60, 92);
/* oklch */ color: oklch(35.4% 0.063 257.7);

Tailwind

colors: {
  custom: {
    50: '#65718a',
    500: '#263c5c',
    950: '#000000',
  },
}

SCSS

$custom: #263c5c;
$custom-light: #65718a;
$custom-dark: #000000;

JSON

{
  "hex": "#263c5c",
  "rgb": {
    "r": 38,
    "g": 60,
    "b": 92
  },
  "hsl": {
    "h": 215.556,
    "s": 41.538,
    "l": 25.49
  },
  "oklch": {
    "l": 0.35391,
    "c": 0.06269,
    "h": 257.7
  },
  "luminance": 0.04416
}

Semantic roles & 50–950 ramp

primary

#263C5C

secondary

#8F754F

accent

#9F56D1

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#06070B

muted

#7A7A7C

Preview Lab

Preview with #263C5C

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

Preview Lab → · Contrast checker → · Palette generator →