#1D87B0#1D87B0

#1D87B0 is a mid, moderate cyan. Relative luminance 0.207; OKLCH L 58.6% C 0.109 H 230.2°. Best body text is #000000 at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#1D87B0
RGB	rgb(29, 135, 176)
HSL	hsl(197, 72%, 40%)
HSV	hsv(197, 84%, 69%)
CMYK	cmyk(83.5%, 23.3%, 0%, 31%)
CIE-LAB	lab(52.64, -14.14, -29.70)
CIE-LCH	lch(52.64, 32.90, 244.54°)
OKLab	oklab(58.56% -0.0698 -0.0837)
OKLCH	oklch(58.56% 0.109 230.2)
XYZ	xyz(17.0039, 20.7216, 44.1693)
Luminance	0.2072 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D87B0 #B0461D

analogous

#1DB090 #1D87B0 #1D3DB0

triadic

#1D87B0 #B01D87 #87B01D

tetradic

#1D87B0 #901DB0 #B0461D #3DB01D

square

#1D87B0 #901DB0 #B0461D #3DB01D

split-complementary

#1D87B0 #B01D3D #B0901D

monochromatic

#0C3647 #145F7B #1D87B0 #2EACDD #62C1E5

Accessibility & contrast

On white

4.08

#1D87B0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.14

#1D87B0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1D87B0

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D87B0	#FFFFFF	#000000	##000000
##1D87B0	1.00	4.08	5.14	5.14
#FFFFFF	4.08	1.00	21.00	21.00
#000000	5.14	21.00	1.00	1.00
##000000	5.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7285B2

Deuteranopia (green-blind)

#5F78AF

Tritanopia (blue-blind)

#009295

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #1d87b0;
/* rgb */ color: rgb(29, 135, 176);
/* oklch */ color: oklch(58.6% 0.109 230.2);

Tailwind

colors: {
  custom: {
    50: '#74aac7',
    500: '#1d87b0',
    950: '#000000',
  },
}

SCSS

$custom: #1d87b0;
$custom-light: #74aac7;
$custom-dark: #000000;

JSON

{
  "hex": "#1d87b0",
  "rgb": {
    "r": 29,
    "g": 135,
    "b": 176
  },
  "hsl": {
    "h": 196.735,
    "s": 71.707,
    "l": 40.196
  },
  "oklch": {
    "l": 0.58557,
    "c": 0.10896,
    "h": 230.2
  },
  "luminance": 0.20724
}

Semantic roles & 50–950 ramp

primary

#1D87B0

secondary

#CA7D5F

accent

#6C39EE

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #1D87B0

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

Preview Lab → · Contrast checker → · Palette generator →