#1F536A#1F536A

#1F536A is a dark, moderate cyan. Relative luminance 0.075; OKLCH L 41.8% C 0.067 H 230.5°. Best body text is #FFFFFF at 8.39:1 contrast (WCAG AA passes).

Color values

HEX	#1F536A
RGB	rgb(31, 83, 106)
HSL	hsl(198, 55%, 27%)
HSV	hsv(198, 71%, 42%)
CMYK	cmyk(70.8%, 21.7%, 0%, 58.4%)
CIE-LAB	lab(32.96, -9.12, -18.32)
CIE-LCH	lch(32.96, 20.46, 243.54°)
OKLab	oklab(41.82% -0.0424 -0.0513)
OKLCH	oklch(41.82% 0.067 230.5)
XYZ	xyz(6.2588, 7.5178, 14.7541)
Luminance	0.0752 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F536A #6A361F

analogous

#1F6A5C #1F536A #1F2E6A

triadic

#1F536A #6A1F53 #536A1F

tetradic

#1F536A #5C1F6A #6A361F #2E6A1F

square

#1F536A #5C1F6A #6A361F #2E6A1F

split-complementary

#1F536A #6A1F2E #6A5C1F

monochromatic

#071318 #112E3B #1F536A #2D7899 #3D9CC6

Accessibility & contrast

On white

8.39

#1F536A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#1F536A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F536A

8.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F536A	#FFFFFF	#000000	##FFFFFF
##1F536A	1.00	8.39	2.50	8.39
#FFFFFF	8.39	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#47526B

Deuteranopia (green-blind)

#3D4A6A

Tritanopia (blue-blind)

#00595B

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #1f536a;
/* rgb */ color: rgb(31, 83, 106);
/* oklch */ color: oklch(41.8% 0.067 230.5);

Tailwind

colors: {
  custom: {
    50: '#658394',
    500: '#1f536a',
    950: '#000000',
  },
}

SCSS

$custom: #1f536a;
$custom-light: #658394;
$custom-dark: #000000;

JSON

{
  "hex": "#1f536a",
  "rgb": {
    "r": 31,
    "g": 83,
    "b": 106
  },
  "hsl": {
    "h": 198.4,
    "s": 54.745,
    "l": 26.863
  },
  "oklch": {
    "l": 0.41817,
    "c": 0.06654,
    "h": 230.5
  },
  "luminance": 0.07518
}

Semantic roles & 50–950 ramp

primary

#1F536A

secondary

#9E6147

accent

#774ADE

background

#F6F8F9

surface

#EBEFF1

border

#C6CACB

text

#060A0D

muted

#7A7C7E

Preview Lab

Preview with #1F536A

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

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