#263B4B#263B4B

#263B4B is a dark, muted cyan. Relative luminance 0.040; OKLCH L 34.2% C 0.039 H 242.1°. Best body text is #FFFFFF at 11.60:1 contrast (WCAG AA passes).

Color values

HEX	#263B4B
RGB	rgb(38, 59, 75)
HSL	hsl(206, 33%, 22%)
HSV	hsv(206, 49%, 29%)
CMYK	cmyk(49.3%, 21.3%, 0%, 70.6%)
CIE-LAB	lab(23.83, -3.25, -12.37)
CIE-LCH	lch(23.83, 12.79, 255.28°)
OKLab	oklab(34.19% -0.0182 -0.0343)
OKLCH	oklch(34.19% 0.039 242.1)
XYZ	xyz(3.6329, 4.0478, 7.2451)
Luminance	0.0405 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263B4B #4B3626

analogous

#264B49 #263B4B #26294B

triadic

#263B4B #4B263B #3B4B26

tetradic

#263B4B #49264B #4B3626 #294B26

square

#263B4B #49264B #4B3626 #294B26

split-complementary

#263B4B #4B2629 #4B4926

monochromatic

#0A1014 #111B22 #263B4B #3B5B74 #4F7B9C

Accessibility & contrast

On white

11.60

#263B4B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#263B4B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263B4B

11.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263B4B	#FFFFFF	#000000	##FFFFFF
##263B4B	1.00	11.60	1.81	11.60
#FFFFFF	11.60	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#343B4C

Deuteranopia (green-blind)

#2F374B

Tritanopia (blue-blind)

#173F40

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #263b4b;
/* rgb */ color: rgb(38, 59, 75);
/* oklch */ color: oklch(34.2% 0.039 242.1);

Tailwind

colors: {
  custom: {
    50: '#62707d',
    500: '#263b4b',
    950: '#000000',
  },
}

SCSS

$custom: #263b4b;
$custom-light: #62707d;
$custom-dark: #000000;

JSON

{
  "hex": "#263b4b",
  "rgb": {
    "r": 38,
    "g": 59,
    "b": 75
  },
  "hsl": {
    "h": 205.946,
    "s": 32.743,
    "l": 22.157
  },
  "oklch": {
    "l": 0.34192,
    "c": 0.03885,
    "h": 242.1
  },
  "luminance": 0.04048
}

Semantic roles & 50–950 ramp

primary

#263B4B

secondary

#7E634F

accent

#8D5FC9

background

#F5F6F7

surface

#EAECEE

border

#C6C7C9

text

#050709

muted

#797A7B

Preview Lab

Preview with #263B4B

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

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