#1F8DA4#1F8DA4

#1F8DA4 is a mid, moderate cyan. Relative luminance 0.220; OKLCH L 59.5% C 0.098 H 215.9°. Best body text is #000000 at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#1F8DA4
RGB	rgb(31, 141, 164)
HSL	hsl(190, 68%, 38%)
HSV	hsv(190, 81%, 64%)
CMYK	cmyk(81.1%, 14%, 0%, 35.7%)
CIE-LAB	lab(54.05, -21.39, -20.63)
CIE-LCH	lch(54.05, 29.72, 223.96°)
OKLab	oklab(59.53% -0.0795 -0.0576)
OKLCH	oklch(59.53% 0.098 215.9)
XYZ	xyz(16.7879, 22.0193, 38.4801)
Luminance	0.2202 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F8DA4 #A4361F

analogous

#1FA478 #1F8DA4 #1F4AA4

triadic

#1F8DA4 #A41F8D #8DA41F

tetradic

#1F8DA4 #781FA4 #A4361F #4AA41F

square

#1F8DA4 #781FA4 #A4361F #4AA41F

split-complementary

#1F8DA4 #A41F4A #A4781F

monochromatic

#0C343D #156171 #1F8DA4 #2AB9D7 #5DCAE0

Accessibility & contrast

On white

3.89

#1F8DA4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.40

#1F8DA4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F8DA4

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F8DA4	#FFFFFF	#000000	##000000
##1F8DA4	1.00	3.89	5.40	5.40
#FFFFFF	3.89	1.00	21.00	21.00
#000000	5.40	21.00	1.00	1.00
##000000	5.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D88A5

Deuteranopia (green-blind)

#6C7CA4

Tritanopia (blue-blind)

#009594

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #1f8da4;
/* rgb */ color: rgb(31, 141, 164);
/* oklch */ color: oklch(59.5% 0.098 215.9);

Tailwind

colors: {
  custom: {
    50: '#73aebf',
    500: '#1f8da4',
    950: '#000000',
  },
}

SCSS

$custom: #1f8da4;
$custom-light: #73aebf;
$custom-dark: #000000;

JSON

{
  "hex": "#1f8da4",
  "rgb": {
    "r": 31,
    "g": 141,
    "b": 164
  },
  "hsl": {
    "h": 190.376,
    "s": 68.205,
    "l": 38.235
  },
  "oklch": {
    "l": 0.59531,
    "c": 0.09823,
    "h": 215.9
  },
  "luminance": 0.22021
}

Semantic roles & 50–950 ramp

primary

#1F8DA4

secondary

#C56D5A

accent

#5B3DEB

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#091012

muted

#7B7F81

Preview Lab

Preview with #1F8DA4

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

Preview Lab → · Contrast checker → · Palette generator →