#1C70A9#1C70A9

#1C70A9 is a mid, moderate cyan. Relative luminance 0.147; OKLCH L 52.5% C 0.118 H 244.2°. Best body text is #FFFFFF at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#1C70A9
RGB	rgb(28, 112, 169)
HSL	hsl(204, 72%, 39%)
HSV	hsv(204, 83%, 66%)
CMYK	cmyk(83.4%, 33.7%, 0%, 33.7%)
CIE-LAB	lab(45.22, -3.43, -37.28)
CIE-LCH	lch(45.22, 37.44, 264.74°)
OKLab	oklab(52.54% -0.0513 -0.106)
OKLCH	oklch(52.54% 0.118 244.2)
XYZ	xyz(13.4317, 14.6981, 39.6575)
Luminance	0.1470 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C70A9 #A9551C

analogous

#1CA99B #1C70A9 #1C29A9

triadic

#1C70A9 #A91C70 #70A91C

tetradic

#1C70A9 #9B1CA9 #A9551C #29A91C

square

#1C70A9 #9B1CA9 #A9551C #29A91C

split-complementary

#1C70A9 #A91C29 #A99B1C

monochromatic

#0B2A40 #134D74 #1C70A9 #2792DB #5BADE4

Accessibility & contrast

On white

5.33

#1C70A9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.94

#1C70A9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1C70A9

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C70A9	#FFFFFF	#000000	##FFFFFF
##1C70A9	1.00	5.33	3.94	5.33
#FFFFFF	5.33	1.00	21.00	1.00
#000000	3.94	21.00	1.00	21.00
##FFFFFF	5.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5572AB

Deuteranopia (green-blind)

#4165A8

Tritanopia (blue-blind)

#007E85

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #1c70a9;
/* rgb */ color: rgb(28, 112, 169);
/* oklch */ color: oklch(52.5% 0.118 244.2);

Tailwind

colors: {
  custom: {
    50: '#7198c3',
    500: '#1c70a9',
    950: '#000000',
  },
}

SCSS

$custom: #1c70a9;
$custom-light: #7198c3;
$custom-dark: #000000;

JSON

{
  "hex": "#1c70a9",
  "rgb": {
    "r": 28,
    "g": 112,
    "b": 169
  },
  "hsl": {
    "h": 204.255,
    "s": 71.574,
    "l": 38.627
  },
  "oklch": {
    "l": 0.5254,
    "c": 0.11779,
    "h": 244.2
  },
  "luminance": 0.147
}

Semantic roles & 50–950 ramp

primary

#1C70A9

secondary

#C88659

accent

#8339EE

background

#F7F9FC

surface

#EDF2F8

border

#C8CCD1

text

#090D12

muted

#7B7E81

Preview Lab

Preview with #1C70A9

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

Preview Lab → · Contrast checker → · Palette generator →