#1E579D#1E579D

#1E579D is a mid, vivid cyan. Relative luminance 0.095; OKLCH L 45.9% C 0.128 H 255.7°. Best body text is #FFFFFF at 7.23:1 contrast (WCAG AA passes).

Color values

HEX	#1E579D
RGB	rgb(30, 87, 157)
HSL	hsl(213, 68%, 37%)
HSV	hsv(213, 81%, 62%)
CMYK	cmyk(80.9%, 44.6%, 0%, 38.4%)
CIE-LAB	lab(36.98, 7.91, -43.28)
CIE-LCH	lch(36.98, 43.99, 280.35°)
OKLab	oklab(45.88% -0.0316 -0.124)
OKLCH	oklch(45.88% 0.128 255.7)
XYZ	xyz(10.0272, 9.5255, 33.2019)
Luminance	0.0953 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E579D #9D641E

analogous

#1E979D #1E579D #251E9D

triadic

#1E579D #9D1E57 #579D1E

tetradic

#1E579D #9D1E97 #9D641E #1E9D25

square

#1E579D #9D1E97 #9D641E #1E9D25

split-complementary

#1E579D #9D251E #979D1E

monochromatic

#0A1E36 #143B6A #1E579D #2873D0 #5794DF

Accessibility & contrast

On white

7.23

#1E579D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#1E579D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E579D

7.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E579D	#FFFFFF	#000000	##FFFFFF
##1E579D	1.00	7.23	2.91	7.23
#FFFFFF	7.23	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#335DA0

Deuteranopia (green-blind)

#19529C

Tritanopia (blue-blind)

#006872

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #1e579d;
/* rgb */ color: rgb(30, 87, 157);
/* oklch */ color: oklch(45.9% 0.128 255.7);

Tailwind

colors: {
  custom: {
    50: '#6f85ba',
    500: '#1e579d',
    950: '#000000',
  },
}

SCSS

$custom: #1e579d;
$custom-light: #6f85ba;
$custom-dark: #000000;

JSON

{
  "hex": "#1e579d",
  "rgb": {
    "r": 30,
    "g": 87,
    "b": 157
  },
  "hsl": {
    "h": 213.071,
    "s": 67.914,
    "l": 36.667
  },
  "oklch": {
    "l": 0.45877,
    "c": 0.128,
    "h": 255.7
  },
  "luminance": 0.09527
}

Semantic roles & 50–950 ramp

primary

#1E579D

secondary

#C29154

accent

#9D3DEB

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#080B12

muted

#7B7C81

Preview Lab

Preview with #1E579D

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

Preview Lab → · Contrast checker → · Palette generator →