#1E578B#1E578B

#1E578B is a dark, moderate cyan. Relative luminance 0.090; OKLCH L 44.7% C 0.104 H 249.7°. Best body text is #FFFFFF at 7.52:1 contrast (WCAG AA passes).

Color values

HEX	#1E578B
RGB	rgb(30, 87, 139)
HSL	hsl(209, 64%, 33%)
HSV	hsv(209, 78%, 55%)
CMYK	cmyk(78.4%, 37.4%, 0%, 45.5%)
CIE-LAB	lab(35.90, 0.79, -34.11)
CIE-LCH	lch(35.90, 34.12, 271.32°)
OKLab	oklab(44.69% -0.036 -0.0971)
OKLCH	oklch(44.69% 0.104 249.7)
XYZ	xyz(8.6020, 8.9555, 25.6963)
Luminance	0.0896 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E578B #8B521E

analogous

#1E8B88 #1E578B #1E208B

triadic

#1E578B #8B1E57 #578B1E

tetradic

#1E578B #881E8B #8B521E #208B1E

square

#1E578B #881E8B #8B521E #208B1E

split-complementary

#1E578B #8B1E20 #8B881E

monochromatic

#081826 #133759 #1E578B #2977BD #4B95D8

Accessibility & contrast

On white

7.52

#1E578B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#1E578B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E578B

7.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E578B	#FFFFFF	#000000	##FFFFFF
##1E578B	1.00	7.52	2.79	7.52
#FFFFFF	7.52	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F5A8D

Deuteranopia (green-blind)

#2F508A

Tritanopia (blue-blind)

#00636A

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #1e578b;
/* rgb */ color: rgb(30, 87, 139);
/* oklch */ color: oklch(44.7% 0.104 249.7);

Tailwind

colors: {
  custom: {
    50: '#6b86ad',
    500: '#1e578b',
    950: '#000000',
  },
}

SCSS

$custom: #1e578b;
$custom-light: #6b86ad;
$custom-dark: #000000;

JSON

{
  "hex": "#1e578b",
  "rgb": {
    "r": 30,
    "g": 87,
    "b": 139
  },
  "hsl": {
    "h": 208.624,
    "s": 64.497,
    "l": 33.137
  },
  "oklch": {
    "l": 0.44686,
    "c": 0.1036,
    "h": 249.7
  },
  "luminance": 0.08956
}

Semantic roles & 50–950 ramp

primary

#1E578B

secondary

#BB804A

accent

#9040E7

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#080B10

muted

#7A7C7F

Preview Lab

Preview with #1E578B

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

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