#1E579E#1E579E

#1E579E is a mid, vivid cyan. Relative luminance 0.096; OKLCH L 45.9% C 0.129 H 256.0°. Best body text is #FFFFFF at 7.21:1 contrast (WCAG AA passes).

Color values

HEX	#1E579E
RGB	rgb(30, 87, 158)
HSL	hsl(213, 68%, 37%)
HSV	hsv(213, 81%, 62%)
CMYK	cmyk(81%, 44.9%, 0%, 38%)
CIE-LAB	lab(37.04, 8.30, -43.77)
CIE-LCH	lch(37.04, 44.56, 280.74°)
OKLab	oklab(45.95% -0.0314 -0.1255)
OKLCH	oklch(45.95% 0.129 256)
XYZ	xyz(10.1129, 9.5598, 33.6534)
Luminance	0.0956 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E579E #9E651E

analogous

#1E979E #1E579E #251E9E

triadic

#1E579E #9E1E57 #579E1E

tetradic

#1E579E #9E1E97 #9E651E #1E9E25

square

#1E579E #9E1E97 #9E651E #1E9E25

split-complementary

#1E579E #9E251E #979E1E

monochromatic

#0A1E37 #143B6B #1E579E #2873D1 #5794DF

Accessibility & contrast

On white

7.21

#1E579E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#1E579E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E579E

7.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E579E	#FFFFFF	#000000	##FFFFFF
##1E579E	1.00	7.21	2.91	7.21
#FFFFFF	7.21	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#325DA1

Deuteranopia (green-blind)

#18529D

Tritanopia (blue-blind)

#006873

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #1e579e;
/* rgb */ color: rgb(30, 87, 158);
/* oklch */ color: oklch(45.9% 0.129 256.0);

Tailwind

colors: {
  custom: {
    50: '#6f85bb',
    500: '#1e579e',
    950: '#000000',
  },
}

SCSS

$custom: #1e579e;
$custom-light: #6f85bb;
$custom-dark: #000000;

JSON

{
  "hex": "#1e579e",
  "rgb": {
    "r": 30,
    "g": 87,
    "b": 158
  },
  "hsl": {
    "h": 213.281,
    "s": 68.085,
    "l": 36.863
  },
  "oklch": {
    "l": 0.45946,
    "c": 0.12937,
    "h": 256
  },
  "luminance": 0.09561
}

Semantic roles & 50–950 ramp

primary

#1E579E

secondary

#C39255

accent

#9D3DEB

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #1E579E

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

Preview Lab → · Contrast checker → · Palette generator →