#1F7E9F#1F7E9F

#1F7E9F is a mid, moderate cyan. Relative luminance 0.177; OKLCH L 55.5% C 0.098 H 226.7°. Best body text is #FFFFFF at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#1F7E9F
RGB	rgb(31, 126, 159)
HSL	hsl(195, 67%, 37%)
HSV	hsv(195, 81%, 62%)
CMYK	cmyk(80.5%, 20.8%, 0%, 37.6%)
CIE-LAB	lab(49.15, -15.00, -25.28)
CIE-LCH	lch(49.15, 29.39, 239.32°)
OKLab	oklab(55.53% -0.0668 -0.071)
OKLCH	oklch(55.53% 0.098 226.7)
XYZ	xyz(14.2813, 17.7145, 35.4607)
Luminance	0.1772 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F7E9F #9F401F

analogous

#1F9F80 #1F7E9F #1F3E9F

triadic

#1F7E9F #9F1F7E #7E9F1F

tetradic

#1F7E9F #801F9F #9F401F #3E9F1F

square

#1F7E9F #801F9F #9F401F #3E9F1F

split-complementary

#1F7E9F #9F1F3E #9F801F

monochromatic

#0B2D39 #15556C #1F7E9F #29A7D2 #5ABCDF

Accessibility & contrast

On white

4.62

#1F7E9F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.54

#1F7E9F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #1F7E9F

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F7E9F	#FFFFFF	#000000	##FFFFFF
##1F7E9F	1.00	4.62	4.54	4.62
#FFFFFF	4.62	1.00	21.00	1.00
#000000	4.54	21.00	1.00	21.00
##FFFFFF	4.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C7CA1

Deuteranopia (green-blind)

#5B709F

Tritanopia (blue-blind)

#008889

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #1f7e9f;
/* rgb */ color: rgb(31, 126, 159);
/* oklch */ color: oklch(55.5% 0.098 226.7);

Tailwind

colors: {
  custom: {
    50: '#71a3bb',
    500: '#1f7e9f',
    950: '#000000',
  },
}

SCSS

$custom: #1f7e9f;
$custom-light: #71a3bb;
$custom-dark: #000000;

JSON

{
  "hex": "#1f7e9f",
  "rgb": {
    "r": 31,
    "g": 126,
    "b": 159
  },
  "hsl": {
    "h": 195.469,
    "s": 67.368,
    "l": 37.255
  },
  "oklch": {
    "l": 0.55528,
    "c": 0.0975,
    "h": 226.7
  },
  "luminance": 0.17716
}

Semantic roles & 50–950 ramp

primary

#1F7E9F

secondary

#C37357

accent

#6A3EEA

background

#F7FAFB

surface

#EDF3F6

border

#C8CDD0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #1F7E9F

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

Preview Lab → · Contrast checker → · Palette generator →