#263F4C#263F4C

#263F4C is a dark, muted cyan. Relative luminance 0.045; OKLCH L 35.3% C 0.038 H 232.0°. Best body text is #FFFFFF at 11.07:1 contrast (WCAG AA passes).

Color values

HEX	#263F4C
RGB	rgb(38, 63, 76)
HSL	hsl(201, 33%, 22%)
HSV	hsv(201, 50%, 30%)
CMYK	cmyk(50%, 17.1%, 0%, 70.2%)
CIE-LAB	lab(25.23, -5.52, -10.90)
CIE-LCH	lch(25.23, 12.22, 243.14°)
OKLab	oklab(35.31% -0.0236 -0.0301)
OKLCH	oklch(35.31% 0.038 232)
XYZ	xyz(3.8809, 4.4886, 7.4980)
Luminance	0.0449 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263F4C #4C3326

analogous

#264C46 #263F4C #262C4C

triadic

#263F4C #4C263F #3F4C26

tetradic

#263F4C #46264C #4C3326 #2C4C26

square

#263F4C #46264C #4C3326 #2C4C26

split-complementary

#263F4C #4C262C #4C4626

monochromatic

#0A1114 #121D23 #263F4C #3A6175 #4F839E

Accessibility & contrast

On white

11.07

#263F4C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#263F4C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263F4C

11.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263F4C	#FFFFFF	#000000	##FFFFFF
##263F4C	1.00	11.07	1.90	11.07
#FFFFFF	11.07	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#393E4D

Deuteranopia (green-blind)

#333A4C

Tritanopia (blue-blind)

#154343

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #263f4c;
/* rgb */ color: rgb(38, 63, 76);
/* oklch */ color: oklch(35.3% 0.038 232.0);

Tailwind

colors: {
  custom: {
    50: '#63747e',
    500: '#263f4c',
    950: '#000000',
  },
}

SCSS

$custom: #263f4c;
$custom-light: #63747e;
$custom-dark: #000000;

JSON

{
  "hex": "#263f4c",
  "rgb": {
    "r": 38,
    "g": 63,
    "b": 76
  },
  "hsl": {
    "h": 200.526,
    "s": 33.333,
    "l": 22.353
  },
  "oklch": {
    "l": 0.35312,
    "c": 0.03826,
    "h": 232
  },
  "luminance": 0.04489
}

Semantic roles & 50–950 ramp

primary

#263F4C

secondary

#7F5F4F

accent

#835EC9

background

#F6F7F7

surface

#EBEDEE

border

#C6C8C9

text

#050809

muted

#7A7B7B

Preview Lab

Preview with #263F4C

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

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