#1E556B#1E556B

#1E556B is a dark, moderate cyan. Relative luminance 0.078; OKLCH L 42.4% C 0.067 H 228.2°. Best body text is #FFFFFF at 8.18:1 contrast (WCAG AA passes).

Color values

HEX	#1E556B
RGB	rgb(30, 85, 107)
HSL	hsl(197, 56%, 27%)
HSV	hsv(197, 72%, 42%)
CMYK	cmyk(72%, 20.6%, 0%, 58%)
CIE-LAB	lab(33.63, -10.14, -17.90)
CIE-LCH	lch(33.63, 20.57, 240.48°)
OKLab	oklab(42.36% -0.0449 -0.0501)
OKLCH	oklch(42.36% 0.067 228.2)
XYZ	xyz(6.4367, 7.8338, 15.0799)
Luminance	0.0784 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E556B #6B341E

analogous

#1E6B5B #1E556B #1E2F6B

triadic

#1E556B #6B1E55 #556B1E

tetradic

#1E556B #5B1E6B #6B341E #2F6B1E

square

#1E556B #5B1E6B #6B341E #2F6B1E

split-complementary

#1E556B #6B1E2F #6B5B1E

monochromatic

#071318 #112F3B #1E556B #2B7B9B #3BA0C8

Accessibility & contrast

On white

8.18

#1E556B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#1E556B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E556B

8.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E556B	#FFFFFF	#000000	##FFFFFF
##1E556B	1.00	8.18	2.57	8.18
#FFFFFF	8.18	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#49536C

Deuteranopia (green-blind)

#3F4C6B

Tritanopia (blue-blind)

#005B5C

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #1e556b;
/* rgb */ color: rgb(30, 85, 107);
/* oklch */ color: oklch(42.4% 0.067 228.2);

Tailwind

colors: {
  custom: {
    50: '#658495',
    500: '#1e556b',
    950: '#000000',
  },
}

SCSS

$custom: #1e556b;
$custom-light: #658495;
$custom-dark: #000000;

JSON

{
  "hex": "#1e556b",
  "rgb": {
    "r": 30,
    "g": 85,
    "b": 107
  },
  "hsl": {
    "h": 197.143,
    "s": 56.204,
    "l": 26.863
  },
  "oklch": {
    "l": 0.42362,
    "c": 0.06728,
    "h": 228.2
  },
  "luminance": 0.07835
}

Semantic roles & 50–950 ramp

primary

#1E556B

secondary

#9F5F45

accent

#7448DF

background

#F6F8F9

surface

#EBEFF1

border

#C6CACB

text

#060B0D

muted

#7A7C7E

Preview Lab

Preview with #1E556B

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

Preview Lab → · Contrast checker → · Palette generator →