#1E75B3#1E75B3

#1E75B3 is a mid, vivid cyan. Relative luminance 0.163; OKLCH L 54.4% C 0.125 H 245.3°. Best body text is #FFFFFF at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#1E75B3
RGB	rgb(30, 117, 179)
HSL	hsl(205, 71%, 41%)
HSV	hsv(205, 83%, 70%)
CMYK	cmyk(83.2%, 34.6%, 0%, 29.8%)
CIE-LAB	lab(47.30, -2.47, -39.81)
CIE-LCH	lch(47.30, 39.89, 266.45°)
OKLab	oklab(54.37% -0.052 -0.1133)
OKLCH	oklch(54.37% 0.125 245.3)
XYZ	xyz(15.0302, 16.2514, 44.9837)
Luminance	0.1625 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E75B3 #B35C1E

analogous

#1EB3A6 #1E75B3 #1E2BB3

triadic

#1E75B3 #B31E75 #75B31E

tetradic

#1E75B3 #A61EB3 #B35C1E #2BB31E

square

#1E75B3 #A61EB3 #B35C1E #2BB31E

split-complementary

#1E75B3 #B31E2B #B3A61E

monochromatic

#0C304A #15537F #1E75B3 #3295DD #66B0E5

Accessibility & contrast

On white

4.94

#1E75B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.25

#1E75B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1E75B3

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E75B3	#FFFFFF	#000000	##FFFFFF
##1E75B3	1.00	4.94	4.25	4.94
#FFFFFF	4.94	1.00	21.00	1.00
#000000	4.25	21.00	1.00	21.00
##FFFFFF	4.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5877B6

Deuteranopia (green-blind)

#426AB2

Tritanopia (blue-blind)

#00848B

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #1e75b3;
/* rgb */ color: rgb(30, 117, 179);
/* oklch */ color: oklch(54.4% 0.125 245.3);

Tailwind

colors: {
  custom: {
    50: '#749cca',
    500: '#1e75b3',
    950: '#000000',
  },
}

SCSS

$custom: #1e75b3;
$custom-light: #749cca;
$custom-dark: #000000;

JSON

{
  "hex": "#1e75b3",
  "rgb": {
    "r": 30,
    "g": 117,
    "b": 179
  },
  "hsl": {
    "h": 204.966,
    "s": 71.292,
    "l": 40.98
  },
  "oklch": {
    "l": 0.54367,
    "c": 0.12469,
    "h": 245.3
  },
  "luminance": 0.16253
}

Semantic roles & 50–950 ramp

primary

#1E75B3

secondary

#CB8E62

accent

#853AEE

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #1E75B3

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

Preview Lab → · Contrast checker → · Palette generator →