#1978A0#1978A0

#1978A0 is a mid, moderate cyan. Relative luminance 0.162; OKLCH L 54.0% C 0.103 H 232.4°. Best body text is #FFFFFF at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#1978A0
RGB	rgb(25, 120, 160)
HSL	hsl(198, 73%, 36%)
HSV	hsv(198, 84%, 63%)
CMYK	cmyk(84.4%, 25%, 0%, 37.3%)
CIE-LAB	lab(47.20, -11.82, -28.89)
CIE-LCH	lch(47.20, 31.21, 247.76°)
OKLab	oklab(53.96% -0.0628 -0.0815)
OKLCH	oklch(53.96% 0.103 232.4)
XYZ	xyz(13.4599, 16.1760, 35.6638)
Luminance	0.1618 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1978A0 #A04119

analogous

#19A085 #1978A0 #1935A0

triadic

#1978A0 #A01978 #78A019

tetradic

#1978A0 #8519A0 #A04119 #35A019

square

#1978A0 #8519A0 #A04119 #35A019

split-complementary

#1978A0 #A01935 #A08519

monochromatic

#082936 #11506B #1978A0 #21A0D5 #50B8E4

Accessibility & contrast

On white

4.96

#1978A0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.24

#1978A0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1978A0

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1978A0	#FFFFFF	#000000	##FFFFFF
##1978A0	1.00	4.96	4.24	4.96
#FFFFFF	4.96	1.00	21.00	1.00
#000000	4.24	21.00	1.00	21.00
##FFFFFF	4.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6477A2

Deuteranopia (green-blind)

#526B9F

Tritanopia (blue-blind)

#008386

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #1978a0;
/* rgb */ color: rgb(25, 120, 160);
/* oklch */ color: oklch(54.0% 0.103 232.4);

Tailwind

colors: {
  custom: {
    50: '#6f9fbc',
    500: '#1978a0',
    950: '#000000',
  },
}

SCSS

$custom: #1978a0;
$custom-light: #6f9fbc;
$custom-dark: #000000;

JSON

{
  "hex": "#1978a0",
  "rgb": {
    "r": 25,
    "g": 120,
    "b": 160
  },
  "hsl": {
    "h": 197.778,
    "s": 72.973,
    "l": 36.275
  },
  "oklch": {
    "l": 0.53958,
    "c": 0.10292,
    "h": 232.4
  },
  "luminance": 0.16178
}

Semantic roles & 50–950 ramp

primary

#1978A0

secondary

#C6724F

accent

#6F38F0

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #1978A0

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

Preview Lab → · Contrast checker → · Palette generator →