#1F7D9B#1F7D9B

#1F7D9B is a mid, moderate cyan. Relative luminance 0.173; OKLCH L 55.1% C 0.095 H 224.6°. Best body text is #FFFFFF at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#1F7D9B
RGB	rgb(31, 125, 155)
HSL	hsl(195, 67%, 36%)
HSV	hsv(195, 80%, 61%)
CMYK	cmyk(80%, 19.4%, 0%, 39.2%)
CIE-LAB	lab(48.66, -15.85, -23.69)
CIE-LCH	lch(48.66, 28.50, 236.21°)
OKLab	oklab(55.08% -0.0674 -0.0664)
OKLCH	oklch(55.08% 0.095 224.6)
XYZ	xyz(13.8126, 17.3234, 33.6198)
Luminance	0.1732 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F7D9B #9B3D1F

analogous

#1F9B7B #1F7D9B #1F3F9B

triadic

#1F7D9B #9B1F7D #7D9B1F

tetradic

#1F7D9B #7B1F9B #9B3D1F #3F9B1F

square

#1F7D9B #7B1F9B #9B3D1F #3F9B1F

split-complementary

#1F7D9B #9B1F3F #9B7B1F

monochromatic

#0B2B35 #155468 #1F7D9B #29A6CE #57BDDD

Accessibility & contrast

On white

4.70

#1F7D9B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.47

#1F7D9B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F7D9B

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F7D9B	#FFFFFF	#000000	##FFFFFF
##1F7D9B	1.00	4.70	4.47	4.70
#FFFFFF	4.70	1.00	21.00	1.00
#000000	4.47	21.00	1.00	21.00
##FFFFFF	4.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C7A9D

Deuteranopia (green-blind)

#5C6E9B

Tritanopia (blue-blind)

#008687

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #1f7d9b;
/* rgb */ color: rgb(31, 125, 155);
/* oklch */ color: oklch(55.1% 0.095 224.6);

Tailwind

colors: {
  custom: {
    50: '#70a2b8',
    500: '#1f7d9b',
    950: '#000000',
  },
}

SCSS

$custom: #1f7d9b;
$custom-light: #70a2b8;
$custom-dark: #000000;

JSON

{
  "hex": "#1f7d9b",
  "rgb": {
    "r": 31,
    "g": 125,
    "b": 155
  },
  "hsl": {
    "h": 194.516,
    "s": 66.667,
    "l": 36.471
  },
  "oklch": {
    "l": 0.55085,
    "c": 0.09463,
    "h": 224.6
  },
  "luminance": 0.17325
}

Semantic roles & 50–950 ramp

primary

#1F7D9B

secondary

#C16F55

accent

#683EEA

background

#F7FAFB

surface

#EDF3F6

border

#C8CDD0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #1F7D9B

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

Preview Lab → · Contrast checker → · Palette generator →