#143A5E#143A5E

#143A5E is a dark, moderate cyan. Relative luminance 0.040; OKLCH L 34.1% C 0.076 H 250.1°. Best body text is #FFFFFF at 11.69:1 contrast (WCAG AA passes).

Color values

HEX	#143A5E
RGB	rgb(20, 58, 94)
HSL	hsl(209, 65%, 22%)
HSV	hsv(209, 79%, 37%)
CMYK	cmyk(78.7%, 38.3%, 0%, 63.1%)
CIE-LAB	lab(23.61, 0.54, -25.28)
CIE-LCH	lch(23.61, 25.29, 271.22°)
OKLab	oklab(34.11% -0.026 -0.0719)
OKLCH	oklch(34.11% 0.076 250.1)
XYZ	xyz(3.8212, 3.9826, 11.1548)
Luminance	0.0398 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143A5E #5E3814

analogous

#145E5D #143A5E #14155E

triadic

#143A5E #5E143A #3A5E14

tetradic

#143A5E #5D145E #5E3814 #155E14

square

#143A5E #5D145E #5E3814 #155E14

split-complementary

#143A5E #5E1415 #5E5D14

monochromatic

#051019 #091B2C #143A5E #1F5990 #2978C3

Accessibility & contrast

On white

11.69

#143A5E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#143A5E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143A5E

11.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143A5E	#FFFFFF	#000000	##FFFFFF
##143A5E	1.00	11.69	1.80	11.69
#FFFFFF	11.69	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A3C5F

Deuteranopia (green-blind)

#1F355D

Tritanopia (blue-blind)

#004347

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #143a5e;
/* rgb */ color: rgb(20, 58, 94);
/* oklch */ color: oklch(34.1% 0.076 250.1);

Tailwind

colors: {
  custom: {
    50: '#5d6f8c',
    500: '#143a5e',
    950: '#000000',
  },
}

SCSS

$custom: #143a5e;
$custom-light: #5d6f8c;
$custom-dark: #000000;

JSON

{
  "hex": "#143a5e",
  "rgb": {
    "r": 20,
    "g": 58,
    "b": 94
  },
  "hsl": {
    "h": 209.189,
    "s": 64.912,
    "l": 22.353
  },
  "oklch": {
    "l": 0.3411,
    "c": 0.07648,
    "h": 250.1
  },
  "luminance": 0.03983
}

Semantic roles & 50–950 ramp

primary

#143A5E

secondary

#966638

accent

#9240E8

background

#F5F6F8

surface

#E9ECF0

border

#C5C7CB

text

#05070C

muted

#797A7D

Preview Lab

Preview with #143A5E

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

Preview Lab → · Contrast checker → · Palette generator →