#1D576F#1D576F

#1D576F is a dark, moderate cyan. Relative luminance 0.082; OKLCH L 43.1% C 0.071 H 229.3°. Best body text is #FFFFFF at 7.94:1 contrast (WCAG AA passes).

Color values

HEX	#1D576F
RGB	rgb(29, 87, 111)
HSL	hsl(198, 59%, 27%)
HSV	hsv(198, 74%, 44%)
CMYK	cmyk(73.9%, 21.6%, 0%, 56.5%)
CIE-LAB	lab(34.45, -10.05, -19.15)
CIE-LCH	lch(34.45, 21.62, 242.31°)
OKLab	oklab(43.06% -0.0461 -0.0537)
OKLCH	oklch(43.06% 0.071 229.3)
XYZ	xyz(6.7830, 8.2245, 16.2659)
Luminance	0.0823 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D576F #6F351D

analogous

#1D6F5E #1D576F #1D2E6F

triadic

#1D576F #6F1D57 #576F1D

tetradic

#1D576F #5E1D6F #6F351D #2E6F1D

square

#1D576F #5E1D6F #6F351D #2E6F1D

split-complementary

#1D576F #6F1D2E #6F5E1D

monochromatic

#061318 #10313E #1D576F #2A7DA0 #3BA1CC

Accessibility & contrast

On white

7.94

#1D576F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#1D576F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D576F

7.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D576F	#FFFFFF	#000000	##FFFFFF
##1D576F	1.00	7.94	2.65	7.94
#FFFFFF	7.94	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B5670

Deuteranopia (green-blind)

#3F4D6F

Tritanopia (blue-blind)

#005E5F

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #1d576f;
/* rgb */ color: rgb(29, 87, 111);
/* oklch */ color: oklch(43.1% 0.071 229.3);

Tailwind

colors: {
  custom: {
    50: '#658698',
    500: '#1d576f',
    950: '#000000',
  },
}

SCSS

$custom: #1d576f;
$custom-light: #658698;
$custom-dark: #000000;

JSON

{
  "hex": "#1d576f",
  "rgb": {
    "r": 29,
    "g": 87,
    "b": 111
  },
  "hsl": {
    "h": 197.561,
    "s": 58.571,
    "l": 27.451
  },
  "oklch": {
    "l": 0.43061,
    "c": 0.07077,
    "h": 229.3
  },
  "luminance": 0.08225
}

Semantic roles & 50–950 ramp

primary

#1D576F

secondary

#A36044

accent

#7446E2

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#060B0D

muted

#7A7C7E

Preview Lab

Preview with #1D576F

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

Preview Lab → · Contrast checker → · Palette generator →