#1F71D4#1F71D4

#1F71D4 is a mid, vivid cyan. Relative luminance 0.169; OKLCH L 55.6% C 0.170 H 256.1°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#1F71D4
RGB	rgb(31, 113, 212)
HSL	hsl(213, 74%, 48%)
HSV	hsv(213, 85%, 83%)
CMYK	cmyk(85.4%, 46.7%, 0%, 16.9%)
CIE-LAB	lab(48.07, 12.80, -57.55)
CIE-LCH	lch(48.07, 58.96, 282.54°)
OKLab	oklab(55.6% -0.0408 -0.1655)
OKLCH	oklch(55.6% 0.17 256.1)
XYZ	xyz(18.3494, 16.8527, 64.5604)
Luminance	0.1686 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F71D4 #D4821F

analogous

#1FCBD4 #1F71D4 #281FD4

triadic

#1F71D4 #D41F71 #71D41F

tetradic

#1F71D4 #D41FCB #D4821F #1FD428

square

#1F71D4 #D41FCB #D4821F #1FD428

split-complementary

#1F71D4 #D4281F #CBD41F

monochromatic

#0F3869 #17559F #1F71D4 #4B91E5 #81B2ED

Accessibility & contrast

On white

4.80

#1F71D4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.37

#1F71D4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F71D4

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F71D4	#FFFFFF	#000000	##FFFFFF
##1F71D4	1.00	4.80	4.37	4.80
#FFFFFF	4.80	1.00	21.00	1.00
#000000	4.37	21.00	1.00	21.00
##FFFFFF	4.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#397BD8

Deuteranopia (green-blind)

#006BD2

Tritanopia (blue-blind)

#008998

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #1f71d4;
/* rgb */ color: rgb(31, 113, 212);
/* oklch */ color: oklch(55.6% 0.170 256.1);

Tailwind

colors: {
  custom: {
    50: '#7b99e2',
    500: '#1f71d4',
    950: '#000000',
  },
}

SCSS

$custom: #1f71d4;
$custom-light: #7b99e2;
$custom-dark: #000000;

JSON

{
  "hex": "#1f71d4",
  "rgb": {
    "r": 31,
    "g": 113,
    "b": 212
  },
  "hsl": {
    "h": 212.818,
    "s": 74.486,
    "l": 47.647
  },
  "oklch": {
    "l": 0.55597,
    "c": 0.17044,
    "h": 256.1
  },
  "luminance": 0.16855
}

Semantic roles & 50–950 ramp

primary

#1F71D4

secondary

#D5AC7A

accent

#9D37F1

background

#F8F9FD

surface

#EFF2FB

border

#CACCD4

text

#0B0D15

muted

#7C7E83

Preview Lab

Preview with #1F71D4

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

Preview Lab → · Contrast checker → · Palette generator →