#1C8BB4#1C8BB4

#1C8BB4 is a mid, moderate cyan. Relative luminance 0.220; OKLCH L 59.7% C 0.111 H 229.3°. Best body text is #000000 at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#1C8BB4
RGB	rgb(28, 139, 180)
HSL	hsl(196, 73%, 41%)
HSV	hsv(196, 84%, 71%)
CMYK	cmyk(84.4%, 22.8%, 0%, 29.4%)
CIE-LAB	lab(54.03, -15.02, -29.84)
CIE-LCH	lch(54.03, 33.40, 243.28°)
OKLab	oklab(59.72% -0.0723 -0.084)
OKLCH	oklch(59.72% 0.111 229.3)
XYZ	xyz(17.9463, 22.0051, 46.4727)
Luminance	0.2201 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C8BB4 #B4451C

analogous

#1CB491 #1C8BB4 #1C3FB4

triadic

#1C8BB4 #B41C8B #8BB41C

tetradic

#1C8BB4 #911CB4 #B4451C #3FB41C

square

#1C8BB4 #911CB4 #B4451C #3FB41C

split-complementary

#1C8BB4 #B41C3F #B4911C

monochromatic

#0C394A #14627F #1C8BB4 #2FAFDF #64C3E7

Accessibility & contrast

On white

3.89

#1C8BB4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.40

#1C8BB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1C8BB4

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C8BB4	#FFFFFF	#000000	##000000
##1C8BB4	1.00	3.89	5.40	5.40
#FFFFFF	3.89	1.00	21.00	21.00
#000000	5.40	21.00	1.00	1.00
##000000	5.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7689B6

Deuteranopia (green-blind)

#627BB3

Tritanopia (blue-blind)

#009699

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #1c8bb4;
/* rgb */ color: rgb(28, 139, 180);
/* oklch */ color: oklch(59.7% 0.111 229.3);

Tailwind

colors: {
  custom: {
    50: '#75adca',
    500: '#1c8bb4',
    950: '#000000',
  },
}

SCSS

$custom: #1c8bb4;
$custom-light: #75adca;
$custom-dark: #000000;

JSON

{
  "hex": "#1c8bb4",
  "rgb": {
    "r": 28,
    "g": 139,
    "b": 180
  },
  "hsl": {
    "h": 196.184,
    "s": 73.077,
    "l": 40.784
  },
  "oklch": {
    "l": 0.59721,
    "c": 0.11089,
    "h": 229.3
  },
  "luminance": 0.22007
}

Semantic roles & 50–950 ramp

primary

#1C8BB4

secondary

#CC7D60

accent

#6A38F0

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #1C8BB4

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

Preview Lab → · Contrast checker → · Palette generator →