#1F87A0#1F87A0

#1F87A0 is a mid, moderate cyan. Relative luminance 0.202; OKLCH L 57.8% C 0.096 H 218.5°. Best body text is #000000 at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#1F87A0
RGB	rgb(31, 135, 160)
HSL	hsl(192, 68%, 37%)
HSV	hsv(192, 81%, 63%)
CMYK	cmyk(80.6%, 15.6%, 0%, 37.3%)
CIE-LAB	lab(52.01, -19.57, -21.44)
CIE-LCH	lch(52.01, 29.03, 227.62°)
OKLab	oklab(57.84% -0.0753 -0.06)
OKLCH	oklch(57.84% 0.096 218.5)
XYZ	xyz(15.5715, 20.1554, 36.3206)
Luminance	0.2016 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F87A0 #A0381F

analogous

#1FA079 #1F87A0 #1F46A0

triadic

#1F87A0 #A01F87 #87A01F

tetradic

#1F87A0 #791FA0 #A0381F #46A01F

square

#1F87A0 #791FA0 #A0381F #46A01F

split-complementary

#1F87A0 #A01F46 #A0791F

monochromatic

#0B3039 #155C6D #1F87A0 #29B2D3 #5AC5DF

Accessibility & contrast

On white

4.17

#1F87A0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.03

#1F87A0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F87A0

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F87A0	#FFFFFF	#000000	##000000
##1F87A0	1.00	4.17	5.03	5.03
#FFFFFF	4.17	1.00	21.00	21.00
#000000	5.03	21.00	1.00	1.00
##000000	5.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7783A1

Deuteranopia (green-blind)

#6677A0

Tritanopia (blue-blind)

#008F8F

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #1f87a0;
/* rgb */ color: rgb(31, 135, 160);
/* oklch */ color: oklch(57.8% 0.096 218.5);

Tailwind

colors: {
  custom: {
    50: '#72aabc',
    500: '#1f87a0',
    950: '#000000',
  },
}

SCSS

$custom: #1f87a0;
$custom-light: #72aabc;
$custom-dark: #000000;

JSON

{
  "hex": "#1f87a0",
  "rgb": {
    "r": 31,
    "g": 135,
    "b": 160
  },
  "hsl": {
    "h": 191.628,
    "s": 67.539,
    "l": 37.451
  },
  "oklch": {
    "l": 0.57841,
    "c": 0.09625,
    "h": 218.5
  },
  "luminance": 0.20157
}

Semantic roles & 50–950 ramp

primary

#1F87A0

secondary

#C36D58

accent

#5F3DEA

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#091012

muted

#7B7F81

Preview Lab

Preview with #1F87A0

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

Preview Lab → · Contrast checker → · Palette generator →