#1F80B4#1F80B4

#1F80B4 is a mid, moderate cyan. Relative luminance 0.190; OKLCH L 57.1% C 0.117 H 238.3°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#1F80B4
RGB	rgb(31, 128, 180)
HSL	hsl(201, 71%, 41%)
HSV	hsv(201, 83%, 71%)
CMYK	cmyk(82.8%, 28.9%, 0%, 29.4%)
CIE-LAB	lab(50.71, -8.53, -35.02)
CIE-LCH	lch(50.71, 36.04, 256.31°)
OKLab	oklab(57.09% -0.0612 -0.0991)
OKLCH	oklch(57.09% 0.117 238.3)
XYZ	xyz(16.5192, 19.0229, 45.9723)
Luminance	0.1903 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F80B4 #B4531F

analogous

#1FB49E #1F80B4 #1F35B4

triadic

#1F80B4 #B41F80 #80B41F

tetradic

#1F80B4 #9E1FB4 #B4531F #35B41F

square

#1F80B4 #9E1FB4 #B4531F #35B41F

split-complementary

#1F80B4 #B41F35 #B49E1F

monochromatic

#0D364C #165B80 #1F80B4 #34A1DC #68BAE5

Accessibility & contrast

On white

4.37

#1F80B4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.81

#1F80B4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F80B4

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F80B4	#FFFFFF	#000000	##000000
##1F80B4	1.00	4.37	4.81	4.81
#FFFFFF	4.37	1.00	21.00	21.00
#000000	4.81	21.00	1.00	1.00
##000000	4.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6780B6

Deuteranopia (green-blind)

#5373B3

Tritanopia (blue-blind)

#008D92

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #1f80b4;
/* rgb */ color: rgb(31, 128, 180);
/* oklch */ color: oklch(57.1% 0.117 238.3);

Tailwind

colors: {
  custom: {
    50: '#75a4ca',
    500: '#1f80b4',
    950: '#000000',
  },
}

SCSS

$custom: #1f80b4;
$custom-light: #75a4ca;
$custom-dark: #000000;

JSON

{
  "hex": "#1f80b4",
  "rgb": {
    "r": 31,
    "g": 128,
    "b": 180
  },
  "hsl": {
    "h": 200.94,
    "s": 70.616,
    "l": 41.373
  },
  "oklch": {
    "l": 0.5709,
    "c": 0.11652,
    "h": 238.3
  },
  "luminance": 0.19025
}

Semantic roles & 50–950 ramp

primary

#1F80B4

secondary

#CB8864

accent

#793AED

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #1F80B4

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

Preview Lab → · Contrast checker → · Palette generator →