#1F576E#1F576E

#1F576E is a dark, moderate cyan. Relative luminance 0.082; OKLCH L 43.1% C 0.069 H 228.8°. Best body text is #FFFFFF at 7.93:1 contrast (WCAG AA passes).

Color values

HEX	#1F576E
RGB	rgb(31, 87, 110)
HSL	hsl(197, 56%, 28%)
HSV	hsv(197, 72%, 43%)
CMYK	cmyk(71.8%, 20.9%, 0%, 56.9%)
CIE-LAB	lab(34.46, -10.08, -18.49)
CIE-LCH	lch(34.46, 21.06, 241.40°)
OKLab	oklab(43.08% -0.0453 -0.0518)
OKLCH	oklch(43.08% 0.069 228.8)
XYZ	xyz(6.7866, 8.2327, 15.9802)
Luminance	0.0823 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F576E #6E361F

analogous

#1F6E5D #1F576E #1F306E

triadic

#1F576E #6E1F57 #576E1F

tetradic

#1F576E #5D1F6E #6E361F #306E1F

square

#1F576E #5D1F6E #6E361F #306E1F

split-complementary

#1F576E #6E1F30 #6E5D1F

monochromatic

#071318 #12313E #1F576E #2C7D9E #3FA1C9

Accessibility & contrast

On white

7.93

#1F576E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#1F576E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F576E

7.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F576E	#FFFFFF	#000000	##FFFFFF
##1F576E	1.00	7.93	2.65	7.93
#FFFFFF	7.93	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B566F

Deuteranopia (green-blind)

#404E6E

Tritanopia (blue-blind)

#005D5F

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #1f576e;
/* rgb */ color: rgb(31, 87, 110);
/* oklch */ color: oklch(43.1% 0.069 228.8);

Tailwind

colors: {
  custom: {
    50: '#668697',
    500: '#1f576e',
    950: '#000000',
  },
}

SCSS

$custom: #1f576e;
$custom-light: #668697;
$custom-dark: #000000;

JSON

{
  "hex": "#1f576e",
  "rgb": {
    "r": 31,
    "g": 87,
    "b": 110
  },
  "hsl": {
    "h": 197.468,
    "s": 56.028,
    "l": 27.647
  },
  "oklch": {
    "l": 0.43077,
    "c": 0.06882,
    "h": 228.8
  },
  "luminance": 0.08233
}

Semantic roles & 50–950 ramp

primary

#1F576E

secondary

#A26147

accent

#7448DF

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#060B0D

muted

#7A7C7E

Preview Lab

Preview with #1F576E

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

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