#1F71A5#1F71A5

#1F71A5 is a mid, moderate cyan. Relative luminance 0.148; OKLCH L 52.6% C 0.111 H 242.0°. Best body text is #FFFFFF at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#1F71A5
RGB	rgb(31, 113, 165)
HSL	hsl(203, 68%, 38%)
HSV	hsv(203, 81%, 65%)
CMYK	cmyk(81.2%, 31.5%, 0%, 35.3%)
CIE-LAB	lab(45.38, -5.26, -34.67)
CIE-LCH	lch(45.38, 35.07, 261.37°)
OKLab	oklab(52.62% -0.0522 -0.0984)
OKLCH	oklch(52.62% 0.111 242)
XYZ	xyz(13.2591, 14.8165, 37.7511)
Luminance	0.1482 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F71A5 #A5531F

analogous

#1FA596 #1F71A5 #1F2EA5

triadic

#1F71A5 #A51F71 #71A51F

tetradic

#1F71A5 #961FA5 #A5531F #2EA51F

square

#1F71A5 #961FA5 #A5531F #2EA51F

split-complementary

#1F71A5 #A51F2E #A5961F

monochromatic

#0C2A3E #154E71 #1F71A5 #2A94D7 #5EAEE1

Accessibility & contrast

On white

5.30

#1F71A5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.96

#1F71A5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F71A5

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F71A5	#FFFFFF	#000000	##FFFFFF
##1F71A5	1.00	5.30	3.96	5.30
#FFFFFF	5.30	1.00	21.00	1.00
#000000	3.96	21.00	1.00	21.00
##FFFFFF	5.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5972A7

Deuteranopia (green-blind)

#4666A4

Tritanopia (blue-blind)

#007E83

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #1f71a5;
/* rgb */ color: rgb(31, 113, 165);
/* oklch */ color: oklch(52.6% 0.111 242.0);

Tailwind

colors: {
  custom: {
    50: '#7199c0',
    500: '#1f71a5',
    950: '#000000',
  },
}

SCSS

$custom: #1f71a5;
$custom-light: #7199c0;
$custom-dark: #000000;

JSON

{
  "hex": "#1f71a5",
  "rgb": {
    "r": 31,
    "g": 113,
    "b": 165
  },
  "hsl": {
    "h": 203.284,
    "s": 68.367,
    "l": 38.431
  },
  "oklch": {
    "l": 0.5262,
    "c": 0.11137,
    "h": 242
  },
  "luminance": 0.14818
}

Semantic roles & 50–950 ramp

primary

#1F71A5

secondary

#C5845B

accent

#803DEB

background

#F7F9FB

surface

#EDF2F7

border

#C8CCD0

text

#090D12

muted

#7B7E81

Preview Lab

Preview with #1F71A5

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

Preview Lab → · Contrast checker → · Palette generator →