#1F839D#1F839D

#1F839D is a mid, moderate cyan. Relative luminance 0.190; OKLCH L 56.7% C 0.095 H 220.1°. Best body text is #000000 at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#1F839D
RGB	rgb(31, 131, 157)
HSL	hsl(192, 67%, 37%)
HSV	hsv(192, 80%, 62%)
CMYK	cmyk(80.3%, 16.6%, 0%, 38.4%)
CIE-LAB	lab(50.64, -18.44, -21.82)
CIE-LCH	lch(50.64, 28.57, 229.79°)
OKLab	oklab(56.69% -0.0725 -0.0611)
OKLCH	oklch(56.69% 0.095 220.1)
XYZ	xyz(14.7646, 18.9564, 34.7725)
Luminance	0.1896 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F839D #9D391F

analogous

#1F9D78 #1F839D #1F449D

triadic

#1F839D #9D1F83 #839D1F

tetradic

#1F839D #781F9D #9D391F #449D1F

square

#1F839D #781F9D #9D391F #449D1F

split-complementary

#1F839D #9D1F44 #9D781F

monochromatic

#0B2E37 #15586A #1F839D #29AED0 #58C2DE

Accessibility & contrast

On white

4.38

#1F839D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.79

#1F839D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F839D

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F839D	#FFFFFF	#000000	##000000
##1F839D	1.00	4.38	4.79	4.79
#FFFFFF	4.38	1.00	21.00	21.00
#000000	4.79	21.00	1.00	1.00
##000000	4.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#737F9E

Deuteranopia (green-blind)

#63739D

Tritanopia (blue-blind)

#008B8B

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #1f839d;
/* rgb */ color: rgb(31, 131, 157);
/* oklch */ color: oklch(56.7% 0.095 220.1);

Tailwind

colors: {
  custom: {
    50: '#71a7ba',
    500: '#1f839d',
    950: '#000000',
  },
}

SCSS

$custom: #1f839d;
$custom-light: #71a7ba;
$custom-dark: #000000;

JSON

{
  "hex": "#1f839d",
  "rgb": {
    "r": 31,
    "g": 131,
    "b": 157
  },
  "hsl": {
    "h": 192.381,
    "s": 67.021,
    "l": 36.863
  },
  "oklch": {
    "l": 0.56695,
    "c": 0.09482,
    "h": 220.1
  },
  "luminance": 0.18958
}

Semantic roles & 50–950 ramp

primary

#1F839D

secondary

#C26C56

accent

#613EEA

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #1F839D

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

Preview Lab → · Contrast checker → · Palette generator →