#1E78A8#1E78A8

#1E78A8 is a mid, moderate cyan. Relative luminance 0.165; OKLCH L 54.5% C 0.110 H 237.9°. Best body text is #FFFFFF at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#1E78A8
RGB	rgb(30, 120, 168)
HSL	hsl(201, 70%, 39%)
HSV	hsv(201, 82%, 66%)
CMYK	cmyk(82.1%, 28.6%, 0%, 34.1%)
CIE-LAB	lab(47.67, -8.39, -32.84)
CIE-LCH	lch(47.67, 33.89, 255.66°)
OKLab	oklab(54.48% -0.0582 -0.0929)
OKLCH	oklch(54.48% 0.11 237.9)
XYZ	xyz(14.3170, 16.5343, 39.4751)
Luminance	0.1654 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E78A8 #A84E1E

analogous

#1EA893 #1E78A8 #1E33A8

triadic

#1E78A8 #A81E78 #78A81E

tetradic

#1E78A8 #931EA8 #A84E1E #33A81E

square

#1E78A8 #931EA8 #A84E1E #33A81E

split-complementary

#1E78A8 #A81E33 #A8931E

monochromatic

#0B2E40 #155374 #1E78A8 #2A9CD9 #5EB4E2

Accessibility & contrast

On white

4.88

#1E78A8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.31

#1E78A8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1E78A8

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E78A8	#FFFFFF	#000000	##FFFFFF
##1E78A8	1.00	4.88	4.31	4.88
#FFFFFF	4.88	1.00	21.00	1.00
#000000	4.31	21.00	1.00	21.00
##FFFFFF	4.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6178AA

Deuteranopia (green-blind)

#4E6CA7

Tritanopia (blue-blind)

#008489

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #1e78a8;
/* rgb */ color: rgb(30, 120, 168);
/* oklch */ color: oklch(54.5% 0.110 237.9);

Tailwind

colors: {
  custom: {
    50: '#729ec2',
    500: '#1e78a8',
    950: '#000000',
  },
}

SCSS

$custom: #1e78a8;
$custom-light: #729ec2;
$custom-dark: #000000;

JSON

{
  "hex": "#1e78a8",
  "rgb": {
    "r": 30,
    "g": 120,
    "b": 168
  },
  "hsl": {
    "h": 200.87,
    "s": 69.697,
    "l": 38.824
  },
  "oklch": {
    "l": 0.54476,
    "c": 0.10965,
    "h": 237.9
  },
  "luminance": 0.16536
}

Semantic roles & 50–950 ramp

primary

#1E78A8

secondary

#C7815B

accent

#793BED

background

#F7F9FB

surface

#EDF2F7

border

#C8CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #1E78A8

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

Preview Lab → · Contrast checker → · Palette generator →