#1D576E#1D576E

#1D576E is a dark, moderate cyan. Relative luminance 0.082; OKLCH L 43.0% C 0.070 H 228.2°. Best body text is #FFFFFF at 7.95:1 contrast (WCAG AA passes).

Color values

HEX	#1D576E
RGB	rgb(29, 87, 110)
HSL	hsl(197, 58%, 27%)
HSV	hsv(197, 74%, 43%)
CMYK	cmyk(73.6%, 20.9%, 0%, 56.9%)
CIE-LAB	lab(34.40, -10.41, -18.59)
CIE-LCH	lch(34.40, 21.31, 240.75°)
OKLab	oklab(43.01% -0.0465 -0.0521)
OKLCH	oklch(43.01% 0.07 228.2)
XYZ	xyz(6.7282, 8.2026, 15.9775)
Luminance	0.0820 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D576E #6E341D

analogous

#1D6E5D #1D576E #1D2F6E

triadic

#1D576E #6E1D57 #576E1D

tetradic

#1D576E #5D1D6E #6E341D #2F6E1D

square

#1D576E #5D1D6E #6E341D #2F6E1D

split-complementary

#1D576E #6E1D2F #6E5D1D

monochromatic

#061318 #10313E #1D576E #2A7D9E #3AA2CB

Accessibility & contrast

On white

7.95

#1D576E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#1D576E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D576E

7.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D576E	#FFFFFF	#000000	##FFFFFF
##1D576E	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)

#4B556F

Deuteranopia (green-blind)

#404D6E

Tritanopia (blue-blind)

#005E5F

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #1d576e;
/* rgb */ color: rgb(29, 87, 110);
/* oklch */ color: oklch(43.0% 0.070 228.2);

Tailwind

colors: {
  custom: {
    50: '#658697',
    500: '#1d576e',
    950: '#000000',
  },
}

SCSS

$custom: #1d576e;
$custom-light: #658697;
$custom-dark: #000000;

JSON

{
  "hex": "#1d576e",
  "rgb": {
    "r": 29,
    "g": 87,
    "b": 110
  },
  "hsl": {
    "h": 197.037,
    "s": 58.273,
    "l": 27.255
  },
  "oklch": {
    "l": 0.43011,
    "c": 0.06985,
    "h": 228.2
  },
  "luminance": 0.08203
}

Semantic roles & 50–950 ramp

primary

#1D576E

secondary

#A25F44

accent

#7246E1

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#060B0D

muted

#7A7C7E

Preview Lab

Preview with #1D576E

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

Preview Lab → · Contrast checker → · Palette generator →