#193F5B#193F5B

#193F5B is a dark, moderate cyan. Relative luminance 0.045; OKLCH L 35.4% C 0.065 H 243.5°. Best body text is #FFFFFF at 11.03:1 contrast (WCAG AA passes).

Color values

HEX	#193F5B
RGB	rgb(25, 63, 91)
HSL	hsl(205, 57%, 23%)
HSV	hsv(205, 73%, 36%)
CMYK	cmyk(72.5%, 30.8%, 0%, 64.3%)
CIE-LAB	lab(25.31, -3.19, -20.64)
CIE-LCH	lch(25.31, 20.89, 261.20°)
OKLab	oklab(35.44% -0.0291 -0.0582)
OKLCH	oklch(35.44% 0.065 243.5)
XYZ	xyz(4.0660, 4.5166, 10.5530)
Luminance	0.0452 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#193F5B #5B3519

analogous

#195B56 #193F5B #191E5B

triadic

#193F5B #5B193F #3F5B19

tetradic

#193F5B #56195B #5B3519 #1E5B19

square

#193F5B #56195B #5B3519 #1E5B19

split-complementary

#193F5B #5B191E #5B5619

monochromatic

#071118 #0C1E2B #193F5B #26608B #3381BB

Accessibility & contrast

On white

11.03

#193F5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#193F5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #193F5B

11.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##193F5B	#FFFFFF	#000000	##FFFFFF
##193F5B	1.00	11.03	1.90	11.03
#FFFFFF	11.03	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#32405C

Deuteranopia (green-blind)

#29395A

Tritanopia (blue-blind)

#004649

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #193f5b;
/* rgb */ color: rgb(25, 63, 91);
/* oklch */ color: oklch(35.4% 0.065 243.5);

Tailwind

colors: {
  custom: {
    50: '#5e7389',
    500: '#193f5b',
    950: '#000000',
  },
}

SCSS

$custom: #193f5b;
$custom-light: #5e7389;
$custom-dark: #000000;

JSON

{
  "hex": "#193f5b",
  "rgb": {
    "r": 25,
    "g": 63,
    "b": 91
  },
  "hsl": {
    "h": 205.455,
    "s": 56.897,
    "l": 22.745
  },
  "oklch": {
    "l": 0.35443,
    "c": 0.0651,
    "h": 243.5
  },
  "luminance": 0.04517
}

Semantic roles & 50–950 ramp

primary

#193F5B

secondary

#91623F

accent

#8848E0

background

#F5F7F8

surface

#EAEDF0

border

#C6C8CB

text

#05080B

muted

#797B7C

Preview Lab

Preview with #193F5B

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

Preview Lab → · Contrast checker → · Palette generator →