#1F879F#1F879F

#1F879F is a mid, moderate cyan. Relative luminance 0.201; OKLCH L 57.8% C 0.096 H 217.7°. Best body text is #000000 at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#1F879F
RGB	rgb(31, 135, 159)
HSL	hsl(191, 67%, 37%)
HSV	hsv(191, 81%, 62%)
CMYK	cmyk(80.5%, 15.1%, 0%, 37.6%)
CIE-LAB	lab(51.97, -19.91, -20.92)
CIE-LCH	lch(51.97, 28.88, 226.42°)
OKLab	oklab(57.8% -0.0757 -0.0585)
OKLCH	oklch(57.8% 0.096 217.7)
XYZ	xyz(15.4844, 20.1205, 35.8617)
Luminance	0.2012 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F879F #9F371F

analogous

#1F9F77 #1F879F #1F479F

triadic

#1F879F #9F1F87 #879F1F

tetradic

#1F879F #771F9F #9F371F #479F1F

square

#1F879F #771F9F #9F371F #479F1F

split-complementary

#1F879F #9F1F47 #9F771F

monochromatic

#0B3039 #155C6C #1F879F #29B2D2 #5AC6DF

Accessibility & contrast

On white

4.18

#1F879F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.02

#1F879F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F879F

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F879F	#FFFFFF	#000000	##000000
##1F879F	1.00	4.18	5.02	5.02
#FFFFFF	4.18	1.00	21.00	21.00
#000000	5.02	21.00	1.00	1.00
##000000	5.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7783A0

Deuteranopia (green-blind)

#67779F

Tritanopia (blue-blind)

#008F8F

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #1f879f;
/* rgb */ color: rgb(31, 135, 159);
/* oklch */ color: oklch(57.8% 0.096 217.7);

Tailwind

colors: {
  custom: {
    50: '#72aabb',
    500: '#1f879f',
    950: '#000000',
  },
}

SCSS

$custom: #1f879f;
$custom-light: #72aabb;
$custom-dark: #000000;

JSON

{
  "hex": "#1f879f",
  "rgb": {
    "r": 31,
    "g": 135,
    "b": 159
  },
  "hsl": {
    "h": 191.25,
    "s": 67.368,
    "l": 37.255
  },
  "oklch": {
    "l": 0.57797,
    "c": 0.09566,
    "h": 217.7
  },
  "luminance": 0.20122
}

Semantic roles & 50–950 ramp

primary

#1F879F

secondary

#C36B57

accent

#5E3EEA

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#091011

muted

#7B7F80

Preview Lab

Preview with #1F879F

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

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