#263E5C#263E5C

#263E5C is a dark, moderate cyan. Relative luminance 0.046; OKLCH L 35.9% C 0.060 H 254.6°. Best body text is #FFFFFF at 10.90:1 contrast (WCAG AA passes).

Color values

HEX	#263E5C
RGB	rgb(38, 62, 92)
HSL	hsl(213, 42%, 25%)
HSV	hsv(213, 59%, 36%)
CMYK	cmyk(58.7%, 32.6%, 0%, 63.9%)
CIE-LAB	lab(25.65, 0.71, -20.71)
CIE-LCH	lch(25.65, 20.73, 271.97°)
OKLab	oklab(35.9% -0.016 -0.0583)
OKLCH	oklch(35.9% 0.06 254.6)
XYZ	xyz(4.4530, 4.6297, 10.7821)
Luminance	0.0463 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263E5C #5C4426

analogous

#26595C #263E5C #29265C

triadic

#263E5C #5C263E #3E5C26

tetradic

#263E5C #5C2659 #5C4426 #265C29

square

#263E5C #5C2659 #5C4426 #265C29

split-complementary

#263E5C #5C2926 #595C26

monochromatic

#090F16 #142131 #263E5C #385B87 #4A78B3

Accessibility & contrast

On white

10.90

#263E5C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#263E5C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263E5C

10.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263E5C	#FFFFFF	#000000	##FFFFFF
##263E5C	1.00	10.90	1.93	10.90
#FFFFFF	10.90	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#32405D

Deuteranopia (green-blind)

#2B3A5B

Tritanopia (blue-blind)

#054549

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #263e5c;
/* rgb */ color: rgb(38, 62, 92);
/* oklch */ color: oklch(35.9% 0.060 254.6);

Tailwind

colors: {
  custom: {
    50: '#65738a',
    500: '#263e5c',
    950: '#000000',
  },
}

SCSS

$custom: #263e5c;
$custom-light: #65738a;
$custom-dark: #000000;

JSON

{
  "hex": "#263e5c",
  "rgb": {
    "r": 38,
    "g": 62,
    "b": 92
  },
  "hsl": {
    "h": 213.333,
    "s": 41.538,
    "l": 25.49
  },
  "oklch": {
    "l": 0.359,
    "c": 0.06043,
    "h": 254.6
  },
  "luminance": 0.0463
}

Semantic roles & 50–950 ramp

primary

#263E5C

secondary

#8F724F

accent

#9B56D1

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#06080B

muted

#7A7B7C

Preview Lab

Preview with #263E5C

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

Preview Lab → · Contrast checker → · Palette generator →