#1C7A9F#1C7A9F

#1C7A9F is a mid, moderate cyan. Relative luminance 0.167; OKLCH L 54.5% C 0.100 H 230.2°. Best body text is #FFFFFF at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#1C7A9F
RGB	rgb(28, 122, 159)
HSL	hsl(197, 70%, 37%)
HSV	hsv(197, 82%, 62%)
CMYK	cmyk(82.4%, 23.3%, 0%, 37.6%)
CIE-LAB	lab(47.84, -13.04, -27.31)
CIE-LCH	lch(47.84, 30.27, 244.47°)
OKLab	oklab(54.46% -0.064 -0.0769)
OKLCH	oklch(54.46% 0.1 230.2)
XYZ	xyz(13.6939, 16.6674, 35.2896)
Luminance	0.1667 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C7A9F #9F411C

analogous

#1C9F83 #1C7A9F #1C389F

triadic

#1C7A9F #9F1C7A #7A9F1C

tetradic

#1C7A9F #831C9F #9F411C #389F1C

square

#1C7A9F #831C9F #9F411C #389F1C

split-complementary

#1C7A9F #9F1C38 #9F831C

monochromatic

#0A2A37 #13526B #1C7A9F #25A2D3 #54B9E1

Accessibility & contrast

On white

4.85

#1C7A9F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.33

#1C7A9F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1C7A9F

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C7A9F	#FFFFFF	#000000	##FFFFFF
##1C7A9F	1.00	4.85	4.33	4.85
#FFFFFF	4.85	1.00	21.00	1.00
#000000	4.33	21.00	1.00	21.00
##FFFFFF	4.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6778A1

Deuteranopia (green-blind)

#566C9E

Tritanopia (blue-blind)

#008486

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #1c7a9f;
/* rgb */ color: rgb(28, 122, 159);
/* oklch */ color: oklch(54.5% 0.100 230.2);

Tailwind

colors: {
  custom: {
    50: '#70a0bb',
    500: '#1c7a9f',
    950: '#000000',
  },
}

SCSS

$custom: #1c7a9f;
$custom-light: #70a0bb;
$custom-dark: #000000;

JSON

{
  "hex": "#1c7a9f",
  "rgb": {
    "r": 28,
    "g": 122,
    "b": 159
  },
  "hsl": {
    "h": 196.947,
    "s": 70.053,
    "l": 36.667
  },
  "oklch": {
    "l": 0.54464,
    "c": 0.1001,
    "h": 230.2
  },
  "luminance": 0.16669
}

Semantic roles & 50–950 ramp

primary

#1C7A9F

secondary

#C47353

accent

#6D3BED

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #1C7A9F

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

Preview Lab → · Contrast checker → · Palette generator →