#143A5F#143A5F

#143A5F is a dark, moderate cyan. Relative luminance 0.040; OKLCH L 34.2% C 0.078 H 250.7°. Best body text is #FFFFFF at 11.67:1 contrast (WCAG AA passes).

Color values

HEX	#143A5F
RGB	rgb(20, 58, 95)
HSL	hsl(210, 65%, 23%)
HSV	hsv(210, 79%, 37%)
CMYK	cmyk(78.9%, 38.9%, 0%, 62.7%)
CIE-LAB	lab(23.67, 0.95, -25.84)
CIE-LCH	lch(23.67, 25.86, 272.11°)
OKLab	oklab(34.18% -0.0257 -0.0735)
OKLCH	oklch(34.18% 0.078 250.7)
XYZ	xyz(3.8663, 4.0006, 11.3927)
Luminance	0.0400 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143A5F #5F3914

analogous

#145F5E #143A5F #14155F

triadic

#143A5F #5F143A #3A5F14

tetradic

#143A5F #5E145F #5F3914 #155F14

square

#143A5F #5E145F #5F3914 #155F14

split-complementary

#143A5F #5F1415 #5F5E14

monochromatic

#050F19 #091B2C #143A5F #1F5992 #2978C4

Accessibility & contrast

On white

11.67

#143A5F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#143A5F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143A5F

11.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143A5F	#FFFFFF	#000000	##FFFFFF
##143A5F	1.00	11.67	1.80	11.67
#FFFFFF	11.67	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#293C61

Deuteranopia (green-blind)

#1E355E

Tritanopia (blue-blind)

#004348

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #143a5f;
/* rgb */ color: rgb(20, 58, 95);
/* oklch */ color: oklch(34.2% 0.078 250.7);

Tailwind

colors: {
  custom: {
    50: '#5d6f8c',
    500: '#143a5f',
    950: '#000000',
  },
}

SCSS

$custom: #143a5f;
$custom-light: #5d6f8c;
$custom-dark: #000000;

JSON

{
  "hex": "#143a5f",
  "rgb": {
    "r": 20,
    "g": 58,
    "b": 95
  },
  "hsl": {
    "h": 209.6,
    "s": 65.217,
    "l": 22.549
  },
  "oklch": {
    "l": 0.34177,
    "c": 0.07791,
    "h": 250.7
  },
  "luminance": 0.04001
}

Semantic roles & 50–950 ramp

primary

#143A5F

secondary

#976738

accent

#9340E8

background

#F5F6F8

surface

#E9ECF0

border

#C5C7CB

text

#05070C

muted

#797A7D

Preview Lab

Preview with #143A5F

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

Preview Lab → · Contrast checker → · Palette generator →