#1F899F#1F899F

#1F899F is a mid, moderate cyan. Relative luminance 0.207; OKLCH L 58.3% C 0.096 H 215.7°. Best body text is #000000 at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#1F899F
RGB	rgb(31, 137, 159)
HSL	hsl(190, 67%, 37%)
HSV	hsv(190, 81%, 62%)
CMYK	cmyk(80.5%, 13.8%, 0%, 37.6%)
CIE-LAB	lab(52.60, -20.97, -19.96)
CIE-LCH	lch(52.60, 28.95, 223.58°)
OKLab	oklab(58.3% -0.0777 -0.0557)
OKLCH	oklch(58.3% 0.096 215.7)
XYZ	xyz(15.7661, 20.6839, 35.9556)
Luminance	0.2069 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F899F #9F351F

analogous

#1F9F75 #1F899F #1F499F

triadic

#1F899F #9F1F89 #899F1F

tetradic

#1F899F #751F9F #9F351F #499F1F

square

#1F899F #751F9F #9F351F #499F1F

split-complementary

#1F899F #9F1F49 #9F751F

monochromatic

#0B3139 #155D6C #1F899F #29B5D2 #5AC8DF

Accessibility & contrast

On white

4.09

#1F899F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.14

#1F899F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F899F

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F899F	#FFFFFF	#000000	##000000
##1F899F	1.00	4.09	5.14	5.14
#FFFFFF	4.09	1.00	21.00	21.00
#000000	5.14	21.00	1.00	1.00
##000000	5.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A85A0

Deuteranopia (green-blind)

#69789F

Tritanopia (blue-blind)

#009190

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #1f899f;
/* rgb */ color: rgb(31, 137, 159);
/* oklch */ color: oklch(58.3% 0.096 215.7);

Tailwind

colors: {
  custom: {
    50: '#72abbb',
    500: '#1f899f',
    950: '#000000',
  },
}

SCSS

$custom: #1f899f;
$custom-light: #72abbb;
$custom-dark: #000000;

JSON

{
  "hex": "#1f899f",
  "rgb": {
    "r": 31,
    "g": 137,
    "b": 159
  },
  "hsl": {
    "h": 190.313,
    "s": 67.368,
    "l": 37.255
  },
  "oklch": {
    "l": 0.58303,
    "c": 0.09561,
    "h": 215.7
  },
  "luminance": 0.20686
}

Semantic roles & 50–950 ramp

primary

#1F899F

secondary

#C36A57

accent

#5B3EEA

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#091011

muted

#7B7F80

Preview Lab

Preview with #1F899F

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

Preview Lab → · Contrast checker → · Palette generator →