#1F7A9B#1F7A9B

#1F7A9B is a mid, moderate cyan. Relative luminance 0.166; OKLCH L 54.3% C 0.096 H 227.7°. Best body text is #FFFFFF at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#1F7A9B
RGB	rgb(31, 122, 155)
HSL	hsl(196, 67%, 36%)
HSV	hsv(196, 80%, 61%)
CMYK	cmyk(80%, 21.3%, 0%, 39.2%)
CIE-LAB	lab(47.72, -14.18, -25.15)
CIE-LCH	lch(47.72, 28.87, 240.59°)
OKLab	oklab(54.33% -0.0644 -0.0707)
OKLCH	oklch(54.33% 0.096 227.7)
XYZ	xyz(13.4386, 16.5753, 33.4951)
Luminance	0.1658 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F7A9B #9B401F

analogous

#1F9B7E #1F7A9B #1F3C9B

triadic

#1F7A9B #9B1F7A #7A9B1F

tetradic

#1F7A9B #7E1F9B #9B401F #3C9B1F

square

#1F7A9B #7E1F9B #9B401F #3C9B1F

split-complementary

#1F7A9B #9B1F3C #9B7E1F

monochromatic

#0B2A35 #155268 #1F7A9B #29A2CE #57BADD

Accessibility & contrast

On white

4.87

#1F7A9B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.32

#1F7A9B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F7A9B

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F7A9B	#FFFFFF	#000000	##FFFFFF
##1F7A9B	1.00	4.87	4.32	4.87
#FFFFFF	4.87	1.00	21.00	1.00
#000000	4.32	21.00	1.00	21.00
##FFFFFF	4.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#68789D

Deuteranopia (green-blind)

#586C9B

Tritanopia (blue-blind)

#008385

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #1f7a9b;
/* rgb */ color: rgb(31, 122, 155);
/* oklch */ color: oklch(54.3% 0.096 227.7);

Tailwind

colors: {
  custom: {
    50: '#70a0b8',
    500: '#1f7a9b',
    950: '#000000',
  },
}

SCSS

$custom: #1f7a9b;
$custom-light: #70a0b8;
$custom-dark: #000000;

JSON

{
  "hex": "#1f7a9b",
  "rgb": {
    "r": 31,
    "g": 122,
    "b": 155
  },
  "hsl": {
    "h": 195.968,
    "s": 66.667,
    "l": 36.471
  },
  "oklch": {
    "l": 0.54329,
    "c": 0.09562,
    "h": 227.7
  },
  "luminance": 0.16577
}

Semantic roles & 50–950 ramp

primary

#1F7A9B

secondary

#C17255

accent

#6C3EEA

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E11

muted

#7B7E80

Preview Lab

Preview with #1F7A9B

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

Preview Lab → · Contrast checker → · Palette generator →