#1978A1#1978A1

#1978A1 is a mid, moderate cyan. Relative luminance 0.162; OKLCH L 54.0% C 0.104 H 233.0°. Best body text is #FFFFFF at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#1978A1
RGB	rgb(25, 120, 161)
HSL	hsl(198, 73%, 36%)
HSV	hsv(198, 84%, 63%)
CMYK	cmyk(84.5%, 25.5%, 0%, 36.9%)
CIE-LAB	lab(47.25, -11.45, -29.41)
CIE-LCH	lch(47.25, 31.55, 248.73°)
OKLab	oklab(54.01% -0.0625 -0.083)
OKLCH	oklch(54.01% 0.104 233)
XYZ	xyz(13.5478, 16.2111, 36.1263)
Luminance	0.1621 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1978A1 #A14219

analogous

#19A186 #1978A1 #1934A1

triadic

#1978A1 #A11978 #78A119

tetradic

#1978A1 #8619A1 #A14219 #34A119

square

#1978A1 #8619A1 #A14219 #34A119

split-complementary

#1978A1 #A11934 #A18619

monochromatic

#092937 #11516C #1978A1 #219FD6 #50B7E4

Accessibility & contrast

On white

4.95

#1978A1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.24

#1978A1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1978A1

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1978A1	#FFFFFF	#000000	##FFFFFF
##1978A1	1.00	4.95	4.24	4.95
#FFFFFF	4.95	1.00	21.00	1.00
#000000	4.24	21.00	1.00	21.00
##FFFFFF	4.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6477A3

Deuteranopia (green-blind)

#526BA0

Tritanopia (blue-blind)

#008386

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #1978a1;
/* rgb */ color: rgb(25, 120, 161);
/* oklch */ color: oklch(54.0% 0.104 233.0);

Tailwind

colors: {
  custom: {
    50: '#6f9fbd',
    500: '#1978a1',
    950: '#000000',
  },
}

SCSS

$custom: #1978a1;
$custom-light: #6f9fbd;
$custom-dark: #000000;

JSON

{
  "hex": "#1978a1",
  "rgb": {
    "r": 25,
    "g": 120,
    "b": 161
  },
  "hsl": {
    "h": 198.088,
    "s": 73.118,
    "l": 36.471
  },
  "oklch": {
    "l": 0.54009,
    "c": 0.10388,
    "h": 233
  },
  "luminance": 0.16213
}

Semantic roles & 50–950 ramp

primary

#1978A1

secondary

#C6734F

accent

#6F38F0

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #1978A1

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

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