#1F87A1#1F87A1

#1F87A1 is a mid, moderate cyan. Relative luminance 0.202; OKLCH L 57.9% C 0.097 H 219.4°. Best body text is #000000 at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#1F87A1
RGB	rgb(31, 135, 161)
HSL	hsl(192, 68%, 38%)
HSV	hsv(192, 81%, 63%)
CMYK	cmyk(80.7%, 16.1%, 0%, 36.9%)
CIE-LAB	lab(52.05, -19.22, -21.96)
CIE-LCH	lch(52.05, 29.19, 228.80°)
OKLab	oklab(57.89% -0.0749 -0.0615)
OKLCH	oklch(57.89% 0.097 219.4)
XYZ	xyz(15.6593, 20.1905, 36.7831)
Luminance	0.2019 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F87A1 #A1391F

analogous

#1FA17A #1F87A1 #1F46A1

triadic

#1F87A1 #A11F87 #87A11F

tetradic

#1F87A1 #7A1FA1 #A1391F #46A11F

square

#1F87A1 #7A1FA1 #A1391F #46A11F

split-complementary

#1F87A1 #A11F46 #A17A1F

monochromatic

#0B313A #155C6E #1F87A1 #29B2D4 #5BC5DF

Accessibility & contrast

On white

4.17

#1F87A1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.04

#1F87A1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F87A1

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F87A1	#FFFFFF	#000000	##000000
##1F87A1	1.00	4.17	5.04	5.04
#FFFFFF	4.17	1.00	21.00	21.00
#000000	5.04	21.00	1.00	1.00
##000000	5.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7783A2

Deuteranopia (green-blind)

#6677A1

Tritanopia (blue-blind)

#00908F

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #1f87a1;
/* rgb */ color: rgb(31, 135, 161);
/* oklch */ color: oklch(57.9% 0.097 219.4);

Tailwind

colors: {
  custom: {
    50: '#72aabd',
    500: '#1f87a1',
    950: '#000000',
  },
}

SCSS

$custom: #1f87a1;
$custom-light: #72aabd;
$custom-dark: #000000;

JSON

{
  "hex": "#1f87a1",
  "rgb": {
    "r": 31,
    "g": 135,
    "b": 161
  },
  "hsl": {
    "h": 192,
    "s": 67.708,
    "l": 37.647
  },
  "oklch": {
    "l": 0.57886,
    "c": 0.09687,
    "h": 219.4
  },
  "luminance": 0.20192
}

Semantic roles & 50–950 ramp

primary

#1F87A1

secondary

#C46E58

accent

#603DEB

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#091012

muted

#7B7F81

Preview Lab

Preview with #1F87A1

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

Preview Lab → · Contrast checker → · Palette generator →