#1C78A9#1C78A9

#1C78A9 is a mid, moderate cyan. Relative luminance 0.165; OKLCH L 54.5% C 0.111 H 238.2°. Best body text is #FFFFFF at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#1C78A9
RGB	rgb(28, 120, 169)
HSL	hsl(201, 72%, 39%)
HSV	hsv(201, 83%, 66%)
CMYK	cmyk(83.4%, 29%, 0%, 33.7%)
CIE-LAB	lab(47.68, -8.21, -33.41)
CIE-LCH	lch(47.68, 34.40, 256.19°)
OKLab	oklab(54.49% -0.0586 -0.0946)
OKLCH	oklch(54.49% 0.111 238.2)
XYZ	xyz(14.3539, 16.5426, 39.9649)
Luminance	0.1654 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C78A9 #A94D1C

analogous

#1CA993 #1C78A9 #1C31A9

triadic

#1C78A9 #A91C78 #78A91C

tetradic

#1C78A9 #931CA9 #A94D1C #31A91C

square

#1C78A9 #931CA9 #A94D1C #31A91C

split-complementary

#1C78A9 #A91C31 #A9931C

monochromatic

#0B2D40 #135374 #1C78A9 #279DDB #5BB5E4

Accessibility & contrast

On white

4.87

#1C78A9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.31

#1C78A9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1C78A9

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C78A9	#FFFFFF	#000000	##FFFFFF
##1C78A9	1.00	4.87	4.31	4.87
#FFFFFF	4.87	1.00	21.00	1.00
#000000	4.31	21.00	1.00	21.00
##FFFFFF	4.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6078AB

Deuteranopia (green-blind)

#4E6BA8

Tritanopia (blue-blind)

#008489

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #1c78a9;
/* rgb */ color: rgb(28, 120, 169);
/* oklch */ color: oklch(54.5% 0.111 238.2);

Tailwind

colors: {
  custom: {
    50: '#719ec3',
    500: '#1c78a9',
    950: '#000000',
  },
}

SCSS

$custom: #1c78a9;
$custom-light: #719ec3;
$custom-dark: #000000;

JSON

{
  "hex": "#1c78a9",
  "rgb": {
    "r": 28,
    "g": 120,
    "b": 169
  },
  "hsl": {
    "h": 200.851,
    "s": 71.574,
    "l": 38.627
  },
  "oklch": {
    "l": 0.54489,
    "c": 0.1113,
    "h": 238.2
  },
  "luminance": 0.16544
}

Semantic roles & 50–950 ramp

primary

#1C78A9

secondary

#C87F59

accent

#7839EE

background

#F7F9FC

surface

#EDF2F8

border

#C8CCD1

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #1C78A9

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

Preview Lab → · Contrast checker → · Palette generator →