#263F5F#263F5F

#263F5F is a dark, moderate cyan. Relative luminance 0.048; OKLCH L 36.3% C 0.064 H 255.2°. Best body text is #FFFFFF at 10.72:1 contrast (WCAG AA passes).

Color values

HEX	#263F5F
RGB	rgb(38, 63, 95)
HSL	hsl(214, 43%, 26%)
HSV	hsv(214, 60%, 37%)
CMYK	cmyk(60%, 33.7%, 0%, 62.7%)
CIE-LAB	lab(26.14, 1.14, -21.90)
CIE-LCH	lch(26.14, 21.93, 272.98°)
OKLab	oklab(36.33% -0.0163 -0.0617)
OKLCH	oklch(36.33% 0.064 255.2)
XYZ	xyz(4.6417, 4.7929, 11.5048)
Luminance	0.0479 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263F5F #5F4626

analogous

#265B5F #263F5F #29265F

triadic

#263F5F #5F263F #3F5F26

tetradic

#263F5F #5F265B #5F4626 #265F29

square

#263F5F #5F265B #5F4626 #265F29

split-complementary

#263F5F #5F2926 #5B5F26

monochromatic

#090E16 #152233 #263F5F #375C8B #4979B6

Accessibility & contrast

On white

10.72

#263F5F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#263F5F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263F5F

10.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263F5F	#FFFFFF	#000000	##FFFFFF
##263F5F	1.00	10.72	1.96	10.72
#FFFFFF	10.72	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#324160

Deuteranopia (green-blind)

#2B3B5E

Tritanopia (blue-blind)

#00464A

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #263f5f;
/* rgb */ color: rgb(38, 63, 95);
/* oklch */ color: oklch(36.3% 0.064 255.2);

Tailwind

colors: {
  custom: {
    50: '#65738c',
    500: '#263f5f',
    950: '#000000',
  },
}

SCSS

$custom: #263f5f;
$custom-light: #65738c;
$custom-dark: #000000;

JSON

{
  "hex": "#263f5f",
  "rgb": {
    "r": 38,
    "g": 63,
    "b": 95
  },
  "hsl": {
    "h": 213.684,
    "s": 42.857,
    "l": 26.078
  },
  "oklch": {
    "l": 0.36331,
    "c": 0.06383,
    "h": 255.2
  },
  "luminance": 0.04793
}

Semantic roles & 50–950 ramp

primary

#263F5F

secondary

#92754F

accent

#9C55D3

background

#F6F7F8

surface

#EBEDF0

border

#C6C8CB

text

#06080C

muted

#7A7B7D

Preview Lab

Preview with #263F5F

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

Preview Lab → · Contrast checker → · Palette generator →