#1F87A5#1F87A5

#1F87A5 is a mid, moderate cyan. Relative luminance 0.203; OKLCH L 58.1% C 0.100 H 222.6°. Best body text is #000000 at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#1F87A5
RGB	rgb(31, 135, 165)
HSL	hsl(193, 68%, 38%)
HSV	hsv(193, 81%, 65%)
CMYK	cmyk(81.2%, 18.2%, 0%, 35.3%)
CIE-LAB	lab(52.21, -17.84, -24.03)
CIE-LCH	lch(52.21, 29.93, 233.40°)
OKLab	oklab(58.07% -0.0733 -0.0674)
OKLCH	oklch(58.07% 0.1 222.6)
XYZ	xyz(16.0177, 20.3339, 38.6706)
Luminance	0.2034 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F87A5 #A53D1F

analogous

#1FA580 #1F87A5 #1F44A5

triadic

#1F87A5 #A51F87 #87A51F

tetradic

#1F87A5 #801FA5 #A53D1F #44A51F

square

#1F87A5 #801FA5 #A53D1F #44A51F

split-complementary

#1F87A5 #A51F44 #A5801F

monochromatic

#0C333E #155D71 #1F87A5 #2AB0D7 #5EC3E1

Accessibility & contrast

On white

4.14

#1F87A5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.07

#1F87A5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F87A5

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F87A5	#FFFFFF	#000000	##000000
##1F87A5	1.00	4.14	5.07	5.07
#FFFFFF	4.14	1.00	21.00	21.00
#000000	5.07	21.00	1.00	1.00
##000000	5.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7684A7

Deuteranopia (green-blind)

#6477A5

Tritanopia (blue-blind)

#009091

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #1f87a5;
/* rgb */ color: rgb(31, 135, 165);
/* oklch */ color: oklch(58.1% 0.100 222.6);

Tailwind

colors: {
  custom: {
    50: '#72aabf',
    500: '#1f87a5',
    950: '#000000',
  },
}

SCSS

$custom: #1f87a5;
$custom-light: #72aabf;
$custom-dark: #000000;

JSON

{
  "hex": "#1f87a5",
  "rgb": {
    "r": 31,
    "g": 135,
    "b": 165
  },
  "hsl": {
    "h": 193.433,
    "s": 68.367,
    "l": 38.431
  },
  "oklch": {
    "l": 0.58069,
    "c": 0.09953,
    "h": 222.6
  },
  "luminance": 0.20336
}

Semantic roles & 50–950 ramp

primary

#1F87A5

secondary

#C5735B

accent

#643DEB

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#091012

muted

#7B7F81

Preview Lab

Preview with #1F87A5

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

Preview Lab → · Contrast checker → · Palette generator →