#1F7B9B#1F7B9B

#1F7B9B is a mid, moderate cyan. Relative luminance 0.168; OKLCH L 54.6% C 0.095 H 226.6°. Best body text is #FFFFFF at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#1F7B9B
RGB	rgb(31, 123, 155)
HSL	hsl(195, 67%, 36%)
HSV	hsv(195, 80%, 61%)
CMYK	cmyk(80%, 20.6%, 0%, 39.2%)
CIE-LAB	lab(48.04, -14.74, -24.66)
CIE-LCH	lch(48.04, 28.73, 239.14°)
OKLab	oklab(54.58% -0.0654 -0.0693)
OKLCH	oklch(54.58% 0.095 226.6)
XYZ	xyz(13.5620, 16.8221, 33.5362)
Luminance	0.1682 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F7B9B #9B3F1F

analogous

#1F9B7D #1F7B9B #1F3D9B

triadic

#1F7B9B #9B1F7B #7B9B1F

tetradic

#1F7B9B #7D1F9B #9B3F1F #3D9B1F

square

#1F7B9B #7D1F9B #9B3F1F #3D9B1F

split-complementary

#1F7B9B #9B1F3D #9B7D1F

monochromatic

#0B2A35 #155368 #1F7B9B #29A3CE #57BBDD

Accessibility & contrast

On white

4.81

#1F7B9B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.36

#1F7B9B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F7B9B

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F7B9B	#FFFFFF	#000000	##FFFFFF
##1F7B9B	1.00	4.81	4.36	4.81
#FFFFFF	4.81	1.00	21.00	1.00
#000000	4.36	21.00	1.00	21.00
##FFFFFF	4.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A799D

Deuteranopia (green-blind)

#596D9B

Tritanopia (blue-blind)

#008486

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #1f7b9b;
/* rgb */ color: rgb(31, 123, 155);
/* oklch */ color: oklch(54.6% 0.095 226.6);

Tailwind

colors: {
  custom: {
    50: '#70a1b8',
    500: '#1f7b9b',
    950: '#000000',
  },
}

SCSS

$custom: #1f7b9b;
$custom-light: #70a1b8;
$custom-dark: #000000;

JSON

{
  "hex": "#1f7b9b",
  "rgb": {
    "r": 31,
    "g": 123,
    "b": 155
  },
  "hsl": {
    "h": 195.484,
    "s": 66.667,
    "l": 36.471
  },
  "oklch": {
    "l": 0.54581,
    "c": 0.09526,
    "h": 226.6
  },
  "luminance": 0.16824
}

Semantic roles & 50–950 ramp

primary

#1F7B9B

secondary

#C17155

accent

#6A3EEA

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090F11

muted

#7B7E80

Preview Lab

Preview with #1F7B9B

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

Preview Lab → · Contrast checker → · Palette generator →