#1F78A6#1F78A6

#1F78A6 is a mid, moderate cyan. Relative luminance 0.165; OKLCH L 54.4% C 0.107 H 236.9°. Best body text is #FFFFFF at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#1F78A6
RGB	rgb(31, 120, 166)
HSL	hsl(200, 69%, 39%)
HSV	hsv(200, 81%, 65%)
CMYK	cmyk(81.3%, 27.7%, 0%, 34.9%)
CIE-LAB	lab(47.59, -9.03, -31.79)
CIE-LCH	lch(47.59, 33.05, 254.13°)
OKLab	oklab(54.39% -0.0585 -0.0899)
OKLCH	oklch(54.39% 0.107 236.9)
XYZ	xyz(14.1617, 16.4757, 38.5027)
Luminance	0.1648 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F78A6 #A64D1F

analogous

#1FA690 #1F78A6 #1F35A6

triadic

#1F78A6 #A61F78 #78A61F

tetradic

#1F78A6 #901FA6 #A64D1F #35A61F

square

#1F78A6 #901FA6 #A64D1F #35A61F

split-complementary

#1F78A6 #A61F35 #A6901F

monochromatic

#0C2D3F #155372 #1F78A6 #2B9DD7 #5EB5E1

Accessibility & contrast

On white

4.89

#1F78A6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.30

#1F78A6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F78A6

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F78A6	#FFFFFF	#000000	##FFFFFF
##1F78A6	1.00	4.89	4.30	4.89
#FFFFFF	4.89	1.00	21.00	1.00
#000000	4.30	21.00	1.00	21.00
##FFFFFF	4.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6278A8

Deuteranopia (green-blind)

#506BA5

Tritanopia (blue-blind)

#008488

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #1f78a6;
/* rgb */ color: rgb(31, 120, 166);
/* oklch */ color: oklch(54.4% 0.107 236.9);

Tailwind

colors: {
  custom: {
    50: '#729ec0',
    500: '#1f78a6',
    950: '#000000',
  },
}

SCSS

$custom: #1f78a6;
$custom-light: #729ec0;
$custom-dark: #000000;

JSON

{
  "hex": "#1f78a6",
  "rgb": {
    "r": 31,
    "g": 120,
    "b": 166
  },
  "hsl": {
    "h": 200.444,
    "s": 68.528,
    "l": 38.627
  },
  "oklch": {
    "l": 0.5439,
    "c": 0.10722,
    "h": 236.9
  },
  "luminance": 0.16477
}

Semantic roles & 50–950 ramp

primary

#1F78A6

secondary

#C57F5B

accent

#783CEB

background

#F7F9FB

surface

#EDF2F7

border

#C8CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #1F78A6

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

Preview Lab → · Contrast checker → · Palette generator →