#1F9AB4#1F9AB4

#1F9AB4 is a light, moderate cyan. Relative luminance 0.267; OKLCH L 63.5% C 0.106 H 216.5°. Best body text is #000000 at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#1F9AB4
RGB	rgb(31, 154, 180)
HSL	hsl(190, 71%, 41%)
HSV	hsv(190, 83%, 71%)
CMYK	cmyk(82.8%, 14.4%, 0%, 29.4%)
CIE-LAB	lab(58.69, -22.80, -22.64)
CIE-LCH	lch(58.69, 32.13, 224.80°)
OKLab	oklab(63.48% -0.0856 -0.0633)
OKLCH	oklch(63.48% 0.106 216.5)
XYZ	xyz(20.3553, 26.6952, 47.2510)
Luminance	0.2670 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F9AB4 #B4391F

analogous

#1FB484 #1F9AB4 #1F50B4

triadic

#1F9AB4 #B41F9A #9AB41F

tetradic

#1F9AB4 #841FB4 #B4391F #50B41F

square

#1F9AB4 #841FB4 #B4391F #50B41F

split-complementary

#1F9AB4 #B41F50 #B4841F

monochromatic

#0D414C #166D80 #1F9AB4 #34BFDC #68CFE5

Accessibility & contrast

On white

3.31

#1F9AB4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.34

#1F9AB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F9AB4

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F9AB4	#FFFFFF	#000000	##000000
##1F9AB4	1.00	3.31	6.34	6.34
#FFFFFF	3.31	1.00	21.00	21.00
#000000	6.34	21.00	1.00	1.00
##000000	6.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8995B5

Deuteranopia (green-blind)

#7587B4

Tritanopia (blue-blind)

#00A3A2

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #1f9ab4;
/* rgb */ color: rgb(31, 154, 180);
/* oklch */ color: oklch(63.5% 0.106 216.5);

Tailwind

colors: {
  custom: {
    50: '#77b8ca',
    500: '#1f9ab4',
    950: '#000000',
  },
}

SCSS

$custom: #1f9ab4;
$custom-light: #77b8ca;
$custom-dark: #000000;

JSON

{
  "hex": "#1f9ab4",
  "rgb": {
    "r": 31,
    "g": 154,
    "b": 180
  },
  "hsl": {
    "h": 190.47,
    "s": 70.616,
    "l": 41.373
  },
  "oklch": {
    "l": 0.63475,
    "c": 0.10645,
    "h": 216.5
  },
  "luminance": 0.26698
}

Semantic roles & 50–950 ramp

primary

#1F9AB4

secondary

#CB7664

accent

#5A3AED

background

#F7FBFC

surface

#EEF6F8

border

#C9D0D1

text

#0A1113

muted

#7C8082

Preview Lab

Preview with #1F9AB4

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

Preview Lab → · Contrast checker → · Palette generator →