#1E77B3#1E77B3

#1E77B3 is a mid, vivid cyan. Relative luminance 0.167; OKLCH L 54.8% C 0.123 H 244.0°. Best body text is #FFFFFF at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#1E77B3
RGB	rgb(30, 119, 179)
HSL	hsl(204, 71%, 41%)
HSV	hsv(204, 83%, 70%)
CMYK	cmyk(83.2%, 33.5%, 0%, 29.8%)
CIE-LAB	lab(47.91, -3.68, -38.86)
CIE-LCH	lch(47.91, 39.03, 264.59°)
OKLab	oklab(54.85% -0.0538 -0.1105)
OKLCH	oklch(54.85% 0.123 244)
XYZ	xyz(15.2657, 16.7224, 45.0623)
Luminance	0.1672 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E77B3 #B35A1E

analogous

#1EB3A4 #1E77B3 #1E2CB3

triadic

#1E77B3 #B31E77 #77B31E

tetradic

#1E77B3 #A41EB3 #B35A1E #2CB31E

square

#1E77B3 #A41EB3 #B35A1E #2CB31E

split-complementary

#1E77B3 #B31E2C #B3A41E

monochromatic

#0C314A #15547F #1E77B3 #3298DD #66B2E5

Accessibility & contrast

On white

4.83

#1E77B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.34

#1E77B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1E77B3

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E77B3	#FFFFFF	#000000	##FFFFFF
##1E77B3	1.00	4.83	4.34	4.83
#FFFFFF	4.83	1.00	21.00	1.00
#000000	4.34	21.00	1.00	21.00
##FFFFFF	4.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B79B6

Deuteranopia (green-blind)

#466CB2

Tritanopia (blue-blind)

#00868D

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #1e77b3;
/* rgb */ color: rgb(30, 119, 179);
/* oklch */ color: oklch(54.8% 0.123 244.0);

Tailwind

colors: {
  custom: {
    50: '#749dca',
    500: '#1e77b3',
    950: '#000000',
  },
}

SCSS

$custom: #1e77b3;
$custom-light: #749dca;
$custom-dark: #000000;

JSON

{
  "hex": "#1e77b3",
  "rgb": {
    "r": 30,
    "g": 119,
    "b": 179
  },
  "hsl": {
    "h": 204.161,
    "s": 71.292,
    "l": 40.98
  },
  "oklch": {
    "l": 0.54845,
    "c": 0.12289,
    "h": 244
  },
  "luminance": 0.16724
}

Semantic roles & 50–950 ramp

primary

#1E77B3

secondary

#CB8C62

accent

#823AEE

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #1E77B3

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

Preview Lab → · Contrast checker → · Palette generator →