#1F536E#1F536E

#1F536E is a dark, moderate cyan. Relative luminance 0.076; OKLCH L 42.0% C 0.071 H 234.7°. Best body text is #FFFFFF at 8.33:1 contrast (WCAG AA passes).

Color values

HEX	#1F536E
RGB	rgb(31, 83, 110)
HSL	hsl(201, 56%, 28%)
HSV	hsv(201, 72%, 43%)
CMYK	cmyk(71.8%, 24.5%, 0%, 56.9%)
CIE-LAB	lab(33.14, -7.65, -20.54)
CIE-LCH	lch(33.14, 21.91, 249.58°)
OKLab	oklab(42.02% -0.0408 -0.0577)
OKLCH	oklch(42.02% 0.071 234.7)
XYZ	xyz(6.4717, 7.6029, 15.8753)
Luminance	0.0760 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F536E #6E3A1F

analogous

#1F6E61 #1F536E #1F2C6E

triadic

#1F536E #6E1F53 #536E1F

tetradic

#1F536E #611F6E #6E3A1F #2C6E1F

square

#1F536E #611F6E #6E3A1F #2C6E1F

split-complementary

#1F536E #6E1F2C #6E611F

monochromatic

#071218 #122F3E #1F536E #2C779E #3F9AC9

Accessibility & contrast

On white

8.33

#1F536E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#1F536E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F536E

8.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F536E	#FFFFFF	#000000	##FFFFFF
##1F536E	1.00	8.33	2.52	8.33
#FFFFFF	8.33	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#46526F

Deuteranopia (green-blind)

#3B4A6E

Tritanopia (blue-blind)

#005A5C

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #1f536e;
/* rgb */ color: rgb(31, 83, 110);
/* oklch */ color: oklch(42.0% 0.071 234.7);

Tailwind

colors: {
  custom: {
    50: '#658397',
    500: '#1f536e',
    950: '#000000',
  },
}

SCSS

$custom: #1f536e;
$custom-light: #658397;
$custom-dark: #000000;

JSON

{
  "hex": "#1f536e",
  "rgb": {
    "r": 31,
    "g": 83,
    "b": 110
  },
  "hsl": {
    "h": 200.506,
    "s": 56.028,
    "l": 27.647
  },
  "oklch": {
    "l": 0.42024,
    "c": 0.07066,
    "h": 234.7
  },
  "luminance": 0.07604
}

Semantic roles & 50–950 ramp

primary

#1F536E

secondary

#A26647

accent

#7C48DF

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#060A0D

muted

#7A7C7E

Preview Lab

Preview with #1F536E

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

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