#1F7FB4#1F7FB4

#1F7FB4 is a mid, moderate cyan. Relative luminance 0.188; OKLCH L 56.8% C 0.117 H 239.1°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#1F7FB4
RGB	rgb(31, 127, 180)
HSL	hsl(201, 71%, 41%)
HSV	hsv(201, 83%, 71%)
CMYK	cmyk(82.8%, 29.4%, 0%, 29.4%)
CIE-LAB	lab(50.41, -7.95, -35.49)
CIE-LCH	lch(50.41, 36.37, 257.38°)
OKLab	oklab(56.85% -0.0603 -0.1006)
OKLCH	oklch(56.85% 0.117 239.1)
XYZ	xyz(16.3894, 18.7633, 45.9290)
Luminance	0.1877 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F7FB4 #B4541F

analogous

#1FB49F #1F7FB4 #1F35B4

triadic

#1F7FB4 #B41F7F #7FB41F

tetradic

#1F7FB4 #9F1FB4 #B4541F #35B41F

square

#1F7FB4 #9F1FB4 #B4541F #35B41F

split-complementary

#1F7FB4 #B41F35 #B49F1F

monochromatic

#0D354C #165A80 #1F7FB4 #34A0DC #68B9E5

Accessibility & contrast

On white

4.42

#1F7FB4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#1F7FB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F7FB4

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F7FB4	#FFFFFF	#000000	##000000
##1F7FB4	1.00	4.42	4.75	4.75
#FFFFFF	4.42	1.00	21.00	21.00
#000000	4.75	21.00	1.00	1.00
##000000	4.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#667FB6

Deuteranopia (green-blind)

#5272B3

Tritanopia (blue-blind)

#008C92

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #1f7fb4;
/* rgb */ color: rgb(31, 127, 180);
/* oklch */ color: oklch(56.8% 0.117 239.1);

Tailwind

colors: {
  custom: {
    50: '#75a4ca',
    500: '#1f7fb4',
    950: '#000000',
  },
}

SCSS

$custom: #1f7fb4;
$custom-light: #75a4ca;
$custom-dark: #000000;

JSON

{
  "hex": "#1f7fb4",
  "rgb": {
    "r": 31,
    "g": 127,
    "b": 180
  },
  "hsl": {
    "h": 201.342,
    "s": 70.616,
    "l": 41.373
  },
  "oklch": {
    "l": 0.56847,
    "c": 0.11725,
    "h": 239.1
  },
  "luminance": 0.18765
}

Semantic roles & 50–950 ramp

primary

#1F7FB4

secondary

#CB8964

accent

#7A3AED

background

#F7FAFC

surface

#EEF3F8

border

#C9CDD1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #1F7FB4

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

Preview Lab → · Contrast checker → · Palette generator →