#143B61#143B61

#143B61 is a dark, moderate cyan. Relative luminance 0.041; OKLCH L 34.6% C 0.080 H 250.8°. Best body text is #FFFFFF at 11.49:1 contrast (WCAG AA passes).

Color values

HEX	#143B61
RGB	rgb(20, 59, 97)
HSL	hsl(210, 66%, 23%)
HSV	hsv(210, 79%, 38%)
CMYK	cmyk(79.4%, 39.2%, 0%, 62%)
CIE-LAB	lab(24.13, 1.09, -26.42)
CIE-LCH	lch(24.13, 26.45, 272.37°)
OKLab	oklab(34.57% -0.0262 -0.0752)
OKLCH	oklch(34.57% 0.08 250.8)
XYZ	xyz(4.0093, 4.1393, 11.8946)
Luminance	0.0414 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143B61 #613A14

analogous

#146160 #143B61 #141561

triadic

#143B61 #61143B #3B6114

tetradic

#143B61 #601461 #613A14 #156114

square

#143B61 #601461 #613A14 #156114

split-complementary

#143B61 #611415 #616014

monochromatic

#050F19 #0A1C2E #143B61 #1E5A94 #2979C6

Accessibility & contrast

On white

11.49

#143B61 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#143B61 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143B61

11.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143B61	#FFFFFF	#000000	##FFFFFF
##143B61	1.00	11.49	1.83	11.49
#FFFFFF	11.49	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#293D63

Deuteranopia (green-blind)

#1E3660

Tritanopia (blue-blind)

#004449

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #143b61;
/* rgb */ color: rgb(20, 59, 97);
/* oklch */ color: oklch(34.6% 0.080 250.8);

Tailwind

colors: {
  custom: {
    50: '#5e708e',
    500: '#143b61',
    950: '#000000',
  },
}

SCSS

$custom: #143b61;
$custom-light: #5e708e;
$custom-dark: #000000;

JSON

{
  "hex": "#143b61",
  "rgb": {
    "r": 20,
    "g": 59,
    "b": 97
  },
  "hsl": {
    "h": 209.61,
    "s": 65.812,
    "l": 22.941
  },
  "oklch": {
    "l": 0.34571,
    "c": 0.07966,
    "h": 250.8
  },
  "luminance": 0.0414
}

Semantic roles & 50–950 ramp

primary

#143B61

secondary

#986838

accent

#933FE9

background

#F5F6F8

surface

#EAECF0

border

#C6C7CB

text

#05070C

muted

#797A7D

Preview Lab

Preview with #143B61

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

Preview Lab → · Contrast checker → · Palette generator →