#1C859F#1C859F

#1C859F is a mid, moderate cyan. Relative luminance 0.195; OKLCH L 57.2% C 0.097 H 219.5°. Best body text is #000000 at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#1C859F
RGB	rgb(28, 133, 159)
HSL	hsl(192, 70%, 37%)
HSV	hsv(192, 82%, 62%)
CMYK	cmyk(82.4%, 16.4%, 0%, 37.6%)
CIE-LAB	lab(51.29, -19.13, -21.97)
CIE-LCH	lch(51.29, 29.13, 228.96°)
OKLab	oklab(57.24% -0.0747 -0.0615)
OKLCH	oklch(57.24% 0.097 219.5)
XYZ	xyz(15.1218, 19.5232, 35.7655)
Luminance	0.1953 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C859F #9F361C

analogous

#1C9F78 #1C859F #1C449F

triadic

#1C859F #9F1C85 #859F1C

tetradic

#1C859F #781C9F #9F361C #449F1C

square

#1C859F #781C9F #9F361C #449F1C

split-complementary

#1C859F #9F1C44 #9F781C

monochromatic

#0A2E37 #13596B #1C859F #25B1D3 #54C5E1

Accessibility & contrast

On white

4.28

#1C859F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.91

#1C859F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1C859F

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C859F	#FFFFFF	#000000	##000000
##1C859F	1.00	4.28	4.91	4.91
#FFFFFF	4.28	1.00	21.00	21.00
#000000	4.91	21.00	1.00	1.00
##000000	4.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7581A0

Deuteranopia (green-blind)

#64759F

Tritanopia (blue-blind)

#008E8D

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #1c859f;
/* rgb */ color: rgb(28, 133, 159);
/* oklch */ color: oklch(57.2% 0.097 219.5);

Tailwind

colors: {
  custom: {
    50: '#71a8bb',
    500: '#1c859f',
    950: '#000000',
  },
}

SCSS

$custom: #1c859f;
$custom-light: #71a8bb;
$custom-dark: #000000;

JSON

{
  "hex": "#1c859f",
  "rgb": {
    "r": 28,
    "g": 133,
    "b": 159
  },
  "hsl": {
    "h": 191.908,
    "s": 70.053,
    "l": 36.667
  },
  "oklch": {
    "l": 0.57236,
    "c": 0.0968,
    "h": 219.5
  },
  "luminance": 0.19525
}

Semantic roles & 50–950 ramp

primary

#1C859F

secondary

#C46953

accent

#5E3BED

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #1C859F

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

Preview Lab → · Contrast checker → · Palette generator →