#1F71A8#1F71A8

#1F71A8 is a mid, moderate cyan. Relative luminance 0.149; OKLCH L 52.8% C 0.115 H 243.5°. Best body text is #FFFFFF at 5.27:1 contrast (WCAG AA passes).

Color values

HEX	#1F71A8
RGB	rgb(31, 113, 168)
HSL	hsl(204, 69%, 39%)
HSV	hsv(204, 82%, 66%)
CMYK	cmyk(81.5%, 32.7%, 0%, 34.1%)
CIE-LAB	lab(45.53, -4.13, -36.19)
CIE-LCH	lch(45.53, 36.43, 263.49°)
OKLab	oklab(52.79% -0.0513 -0.1028)
OKLCH	oklch(52.79% 0.115 243.5)
XYZ	xyz(13.5353, 14.9270, 39.2060)
Luminance	0.1493 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F71A8 #A8561F

analogous

#1FA89B #1F71A8 #1F2CA8

triadic

#1F71A8 #A81F71 #71A81F

tetradic

#1F71A8 #9B1FA8 #A8561F #2CA81F

square

#1F71A8 #9B1FA8 #A8561F #2CA81F

split-complementary

#1F71A8 #A81F2C #A89B1F

monochromatic

#0C2B41 #154E74 #1F71A8 #2C93D8 #60ADE2

Accessibility & contrast

On white

5.27

#1F71A8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.99

#1F71A8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F71A8

5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F71A8	#FFFFFF	#000000	##FFFFFF
##1F71A8	1.00	5.27	3.99	5.27
#FFFFFF	5.27	1.00	21.00	1.00
#000000	3.99	21.00	1.00	21.00
##FFFFFF	5.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5773AA

Deuteranopia (green-blind)

#4466A7

Tritanopia (blue-blind)

#007E85

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #1f71a8;
/* rgb */ color: rgb(31, 113, 168);
/* oklch */ color: oklch(52.8% 0.115 243.5);

Tailwind

colors: {
  custom: {
    50: '#7299c2',
    500: '#1f71a8',
    950: '#000000',
  },
}

SCSS

$custom: #1f71a8;
$custom-light: #7299c2;
$custom-dark: #000000;

JSON

{
  "hex": "#1f71a8",
  "rgb": {
    "r": 31,
    "g": 113,
    "b": 168
  },
  "hsl": {
    "h": 204.088,
    "s": 68.844,
    "l": 39.02
  },
  "oklch": {
    "l": 0.5279,
    "c": 0.11488,
    "h": 243.5
  },
  "luminance": 0.14929
}

Semantic roles & 50–950 ramp

primary

#1F71A8

secondary

#C6875D

accent

#833CEC

background

#F7F9FB

surface

#EDF2F7

border

#C8CCD0

text

#090D12

muted

#7B7E81

Preview Lab

Preview with #1F71A8

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

Preview Lab → · Contrast checker → · Palette generator →