#1C71A9#1C71A9

#1C71A9 is a mid, moderate cyan. Relative luminance 0.149; OKLCH L 52.8% C 0.117 H 243.5°. Best body text is #FFFFFF at 5.27:1 contrast (WCAG AA passes).

Color values

HEX	#1C71A9
RGB	rgb(28, 113, 169)
HSL	hsl(204, 72%, 39%)
HSV	hsv(204, 83%, 66%)
CMYK	cmyk(83.4%, 33.1%, 0%, 33.7%)
CIE-LAB	lab(45.52, -4.04, -36.80)
CIE-LCH	lch(45.52, 37.02, 263.73°)
OKLab	oklab(52.78% -0.0522 -0.1046)
OKLCH	oklch(52.78% 0.117 243.5)
XYZ	xyz(13.5426, 14.9200, 39.6945)
Luminance	0.1492 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C71A9 #A9541C

analogous

#1CA99A #1C71A9 #1C2AA9

triadic

#1C71A9 #A91C71 #71A91C

tetradic

#1C71A9 #9A1CA9 #A9541C #2AA91C

square

#1C71A9 #9A1CA9 #A9541C #2AA91C

split-complementary

#1C71A9 #A91C2A #A99A1C

monochromatic

#0B2B40 #134E74 #1C71A9 #2794DB #5BAEE4

Accessibility & contrast

On white

5.27

#1C71A9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.98

#1C71A9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1C71A9

5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C71A9	#FFFFFF	#000000	##FFFFFF
##1C71A9	1.00	5.27	3.98	5.27
#FFFFFF	5.27	1.00	21.00	1.00
#000000	3.98	21.00	1.00	21.00
##FFFFFF	5.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5773AB

Deuteranopia (green-blind)

#4366A8

Tritanopia (blue-blind)

#007F85

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #1c71a9;
/* rgb */ color: rgb(28, 113, 169);
/* oklch */ color: oklch(52.8% 0.117 243.5);

Tailwind

colors: {
  custom: {
    50: '#7199c3',
    500: '#1c71a9',
    950: '#000000',
  },
}

SCSS

$custom: #1c71a9;
$custom-light: #7199c3;
$custom-dark: #000000;

JSON

{
  "hex": "#1c71a9",
  "rgb": {
    "r": 28,
    "g": 113,
    "b": 169
  },
  "hsl": {
    "h": 203.83,
    "s": 71.574,
    "l": 38.627
  },
  "oklch": {
    "l": 0.52782,
    "c": 0.1169,
    "h": 243.5
  },
  "luminance": 0.14922
}

Semantic roles & 50–950 ramp

primary

#1C71A9

secondary

#C88559

accent

#8139EE

background

#F7F9FC

surface

#EDF2F8

border

#C8CCD1

text

#090D12

muted

#7B7E81

Preview Lab

Preview with #1C71A9

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

Preview Lab → · Contrast checker → · Palette generator →