#1E5571#1E5571

#1E5571 is a dark, moderate cyan. Relative luminance 0.080; OKLCH L 42.7% C 0.073 H 234.5°. Best body text is #FFFFFF at 8.10:1 contrast (WCAG AA passes).

Color values

HEX	#1E5571
RGB	rgb(30, 85, 113)
HSL	hsl(200, 58%, 28%)
HSV	hsv(200, 73%, 44%)
CMYK	cmyk(73.5%, 24.8%, 0%, 55.7%)
CIE-LAB	lab(33.91, -7.93, -21.22)
CIE-LCH	lch(33.91, 22.65, 249.51°)
OKLab	oklab(42.67% -0.0425 -0.0597)
OKLCH	oklch(42.67% 0.073 234.5)
XYZ	xyz(6.7634, 7.9645, 16.8004)
Luminance	0.0796 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E5571 #713A1E

analogous

#1E7163 #1E5571 #1E2B71

triadic

#1E5571 #711E55 #55711E

tetradic

#1E5571 #631E71 #713A1E #2B711E

square

#1E5571 #631E71 #713A1E #2B711E

split-complementary

#1E5571 #711E2B #71631E

monochromatic

#061218 #113141 #1E5571 #2B79A1 #3E9CCC

Accessibility & contrast

On white

8.10

#1E5571 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#1E5571 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E5571

8.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E5571	#FFFFFF	#000000	##FFFFFF
##1E5571	1.00	8.10	2.59	8.10
#FFFFFF	8.10	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#475472

Deuteranopia (green-blind)

#3C4C71

Tritanopia (blue-blind)

#005C5E

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #1e5571;
/* rgb */ color: rgb(30, 85, 113);
/* oklch */ color: oklch(42.7% 0.073 234.5);

Tailwind

colors: {
  custom: {
    50: '#66849a',
    500: '#1e5571',
    950: '#000000',
  },
}

SCSS

$custom: #1e5571;
$custom-light: #66849a;
$custom-dark: #000000;

JSON

{
  "hex": "#1e5571",
  "rgb": {
    "r": 30,
    "g": 85,
    "b": 113
  },
  "hsl": {
    "h": 200.241,
    "s": 58.042,
    "l": 28.039
  },
  "oklch": {
    "l": 0.42672,
    "c": 0.07326,
    "h": 234.5
  },
  "luminance": 0.07965
}

Semantic roles & 50–950 ramp

primary

#1E5571

secondary

#A56646

accent

#7B47E1

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#060B0E

muted

#7A7C7E

Preview Lab

Preview with #1E5571

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

Preview Lab → · Contrast checker → · Palette generator →