#1870A1#1870A1

#1870A1 is a mid, moderate cyan. Relative luminance 0.144; OKLCH L 52.0% C 0.110 H 239.6°. Best body text is #FFFFFF at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#1870A1
RGB	rgb(24, 112, 161)
HSL	hsl(201, 74%, 36%)
HSV	hsv(201, 85%, 63%)
CMYK	cmyk(85.1%, 30.4%, 0%, 36.9%)
CIE-LAB	lab(44.74, -6.84, -33.34)
CIE-LCH	lch(44.74, 34.04, 258.41°)
OKLab	oklab(52% -0.0554 -0.0945)
OKLCH	oklch(52% 0.11 239.6)
XYZ	xyz(12.6013, 14.3541, 35.8178)
Luminance	0.1436 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1870A1 #A14918

analogous

#18A18E #1870A1 #182CA1

triadic

#1870A1 #A11870 #70A118

tetradic

#1870A1 #8E18A1 #A14918 #2CA118

square

#1870A1 #8E18A1 #A14918 #2CA118

split-complementary

#1870A1 #A1182C #A18E18

monochromatic

#082636 #104B6C #1870A1 #2095D6 #4FAFE5

Accessibility & contrast

On white

5.42

#1870A1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.87

#1870A1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1870A1

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1870A1	#FFFFFF	#000000	##FFFFFF
##1870A1	1.00	5.42	3.87	5.42
#FFFFFF	5.42	1.00	21.00	1.00
#000000	3.87	21.00	1.00	21.00
##FFFFFF	5.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5971A3

Deuteranopia (green-blind)

#4664A0

Tritanopia (blue-blind)

#007C81

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #1870a1;
/* rgb */ color: rgb(24, 112, 161);
/* oklch */ color: oklch(52.0% 0.110 239.6);

Tailwind

colors: {
  custom: {
    50: '#6e98bd',
    500: '#1870a1',
    950: '#000000',
  },
}

SCSS

$custom: #1870a1;
$custom-light: #6e98bd;
$custom-dark: #000000;

JSON

{
  "hex": "#1870a1",
  "rgb": {
    "r": 24,
    "g": 112,
    "b": 161
  },
  "hsl": {
    "h": 201.46,
    "s": 74.054,
    "l": 36.275
  },
  "oklch": {
    "l": 0.52004,
    "c": 0.10957,
    "h": 239.6
  },
  "luminance": 0.14356
}

Semantic roles & 50–950 ramp

primary

#1870A1

secondary

#C7794E

accent

#7937F1

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090D12

muted

#7B7E81

Preview Lab

Preview with #1870A1

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

Preview Lab → · Contrast checker → · Palette generator →