#1D557C#1D557C

#1D557C is a dark, moderate cyan. Relative luminance 0.082; OKLCH L 43.2% C 0.086 H 243.1°. Best body text is #FFFFFF at 7.95:1 contrast (WCAG AA passes).

Color values

HEX	#1D557C
RGB	rgb(29, 85, 124)
HSL	hsl(205, 62%, 30%)
HSV	hsv(205, 77%, 49%)
CMYK	cmyk(76.6%, 31.5%, 0%, 51.4%)
CIE-LAB	lab(34.42, -3.91, -27.25)
CIE-LCH	lch(34.42, 27.53, 261.83°)
OKLab	oklab(43.25% -0.0392 -0.0771)
OKLCH	oklch(43.25% 0.087 243.1)
XYZ	xyz(7.3919, 8.2126, 20.2605)
Luminance	0.0821 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D557C #7C441D

analogous

#1D7C74 #1D557C #1D257C

triadic

#1D557C #7C1D55 #557C1D

tetradic

#1D557C #741D7C #7C441D #257C1D

square

#1D557C #741D7C #7C441D #257C1D

split-complementary

#1D557C #7C1D25 #7C741D

monochromatic

#061119 #11334A #1D557C #2977AE #4197D3

Accessibility & contrast

On white

7.95

#1D557C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#1D557C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D557C

7.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D557C	#FFFFFF	#000000	##FFFFFF
##1D557C	1.00	7.95	2.64	7.95
#FFFFFF	7.95	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#43567E

Deuteranopia (green-blind)

#364D7B

Tritanopia (blue-blind)

#005F63

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #1d557c;
/* rgb */ color: rgb(29, 85, 124);
/* oklch */ color: oklch(43.2% 0.086 243.1);

Tailwind

colors: {
  custom: {
    50: '#6784a2',
    500: '#1d557c',
    950: '#000000',
  },
}

SCSS

$custom: #1d557c;
$custom-light: #6784a2;
$custom-dark: #000000;

JSON

{
  "hex": "#1d557c",
  "rgb": {
    "r": 29,
    "g": 85,
    "b": 124
  },
  "hsl": {
    "h": 204.632,
    "s": 62.092,
    "l": 30
  },
  "oklch": {
    "l": 0.43249,
    "c": 0.0865,
    "h": 243.1
  },
  "luminance": 0.08213
}

Semantic roles & 50–950 ramp

primary

#1D557C

secondary

#B07145

accent

#8543E5

background

#F6F8FA

surface

#EBEFF3

border

#C6CACD

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #1D557C

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

Preview Lab → · Contrast checker → · Palette generator →