#1D859B#1D859B

#1D859B is a mid, moderate cyan. Relative luminance 0.194; OKLCH L 57.1% C 0.094 H 216.1°. Best body text is #000000 at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#1D859B
RGB	rgb(29, 133, 155)
HSL	hsl(190, 68%, 36%)
HSV	hsv(190, 81%, 61%)
CMYK	cmyk(81.3%, 14.2%, 0%, 39.2%)
CIE-LAB	lab(51.15, -20.41, -19.86)
CIE-LCH	lch(51.15, 28.48, 224.22°)
OKLab	oklab(57.08% -0.0761 -0.0555)
OKLCH	oklch(57.08% 0.094 216.1)
XYZ	xyz(14.8081, 19.4010, 33.9683)
Luminance	0.1940 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D859B #9B331D

analogous

#1D9B72 #1D859B #1D469B

triadic

#1D859B #9B1D85 #859B1D

tetradic

#1D859B #721D9B #9B331D #469B1D

square

#1D859B #721D9B #9B331D #469B1D

split-complementary

#1D859B #9B1D46 #9B721D

monochromatic

#0A2D34 #135967 #1D859B #27B1CF #53C7DF

Accessibility & contrast

On white

4.30

#1D859B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.88

#1D859B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1D859B

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D859B	#FFFFFF	#000000	##000000
##1D859B	1.00	4.30	4.88	4.88
#FFFFFF	4.30	1.00	21.00	21.00
#000000	4.88	21.00	1.00	1.00
##000000	4.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#76819C

Deuteranopia (green-blind)

#66759B

Tritanopia (blue-blind)

#008D8C

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #1d859b;
/* rgb */ color: rgb(29, 133, 155);
/* oklch */ color: oklch(57.1% 0.094 216.1);

Tailwind

colors: {
  custom: {
    50: '#70a8b8',
    500: '#1d859b',
    950: '#000000',
  },
}

SCSS

$custom: #1d859b;
$custom-light: #70a8b8;
$custom-dark: #000000;

JSON

{
  "hex": "#1d859b",
  "rgb": {
    "r": 29,
    "g": 133,
    "b": 155
  },
  "hsl": {
    "h": 190.476,
    "s": 68.478,
    "l": 36.078
  },
  "oklch": {
    "l": 0.57075,
    "c": 0.09415,
    "h": 216.1
  },
  "luminance": 0.19403
}

Semantic roles & 50–950 ramp

primary

#1D859B

secondary

#C26552

accent

#5B3CEB

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #1D859B

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

Preview Lab → · Contrast checker → · Palette generator →