#1E579B#1E579B

#1E579B is a mid, vivid cyan. Relative luminance 0.095; OKLCH L 45.7% C 0.125 H 255.2°. Best body text is #FFFFFF at 7.26:1 contrast (WCAG AA passes).

Color values

HEX	#1E579B
RGB	rgb(30, 87, 155)
HSL	hsl(213, 68%, 36%)
HSV	hsv(213, 81%, 61%)
CMYK	cmyk(80.6%, 43.9%, 0%, 39.2%)
CIE-LAB	lab(36.85, 7.11, -42.28)
CIE-LCH	lch(36.85, 42.87, 279.55°)
OKLab	oklab(45.74% -0.032 -0.1211)
OKLCH	oklch(45.74% 0.125 255.2)
XYZ	xyz(9.8578, 9.4578, 32.3100)
Luminance	0.0946 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E579B #9B621E

analogous

#1E969B #1E579B #241E9B

triadic

#1E579B #9B1E57 #579B1E

tetradic

#1E579B #9B1E96 #9B621E #1E9B24

square

#1E579B #9B1E96 #9B621E #1E9B24

split-complementary

#1E579B #9B241E #969B1E

monochromatic

#0A1D34 #143A68 #1E579B #2874CE #5594DE

Accessibility & contrast

On white

7.26

#1E579B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#1E579B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E579B

7.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E579B	#FFFFFF	#000000	##FFFFFF
##1E579B	1.00	7.26	2.89	7.26
#FFFFFF	7.26	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#355D9E

Deuteranopia (green-blind)

#1D519A

Tritanopia (blue-blind)

#006771

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #1e579b;
/* rgb */ color: rgb(30, 87, 155);
/* oklch */ color: oklch(45.7% 0.125 255.2);

Tailwind

colors: {
  custom: {
    50: '#6e85b9',
    500: '#1e579b',
    950: '#000000',
  },
}

SCSS

$custom: #1e579b;
$custom-light: #6e85b9;
$custom-dark: #000000;

JSON

{
  "hex": "#1e579b",
  "rgb": {
    "r": 30,
    "g": 87,
    "b": 155
  },
  "hsl": {
    "h": 212.64,
    "s": 67.568,
    "l": 36.275
  },
  "oklch": {
    "l": 0.45738,
    "c": 0.12526,
    "h": 255.2
  },
  "luminance": 0.09459
}

Semantic roles & 50–950 ramp

primary

#1E579B

secondary

#C28F53

accent

#9C3DEA

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#080B11

muted

#7B7C80

Preview Lab

Preview with #1E579B

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

Preview Lab → · Contrast checker → · Palette generator →