#1F5B7D#1F5B7D

#1F5B7D is a dark, moderate cyan. Relative luminance 0.093; OKLCH L 44.9% C 0.082 H 237.7°. Best body text is #FFFFFF at 7.37:1 contrast (WCAG AA passes).

Color values

HEX	#1F5B7D
RGB	rgb(31, 91, 125)
HSL	hsl(202, 60%, 31%)
HSV	hsv(202, 75%, 49%)
CMYK	cmyk(75.2%, 27.2%, 0%, 51%)
CIE-LAB	lab(36.47, -6.97, -24.65)
CIE-LCH	lch(36.47, 25.62, 254.21°)
OKLab	oklab(44.9% -0.044 -0.0695)
OKLCH	oklch(44.9% 0.082 237.7)
XYZ	xyz(8.0064, 9.2532, 20.7622)
Luminance	0.0925 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F5B7D #7D411F

analogous

#1F7D70 #1F5B7D #1F2C7D

triadic

#1F5B7D #7D1F5B #5B7D1F

tetradic

#1F5B7D #701F7D #7D411F #2C7D1F

square

#1F5B7D #701F7D #7D411F #2C7D1F

split-complementary

#1F5B7D #7D1F2C #7D701F

monochromatic

#07141B #13374C #1F5B7D #2B7FAE #459ED1

Accessibility & contrast

On white

7.37

#1F5B7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.85

#1F5B7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F5B7D

7.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F5B7D	#FFFFFF	#000000	##FFFFFF
##1F5B7D	1.00	7.37	2.85	7.37
#FFFFFF	7.37	1.00	21.00	1.00
#000000	2.85	21.00	1.00	21.00
##FFFFFF	7.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B5B7F

Deuteranopia (green-blind)

#3E527C

Tritanopia (blue-blind)

#006467

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #1f5b7d;
/* rgb */ color: rgb(31, 91, 125);
/* oklch */ color: oklch(44.9% 0.082 237.7);

Tailwind

colors: {
  custom: {
    50: '#6889a2',
    500: '#1f5b7d',
    950: '#000000',
  },
}

SCSS

$custom: #1f5b7d;
$custom-light: #6889a2;
$custom-dark: #000000;

JSON

{
  "hex": "#1f5b7d",
  "rgb": {
    "r": 31,
    "g": 91,
    "b": 125
  },
  "hsl": {
    "h": 201.702,
    "s": 60.256,
    "l": 30.588
  },
  "oklch": {
    "l": 0.44903,
    "c": 0.08225,
    "h": 237.7
  },
  "luminance": 0.09254
}

Semantic roles & 50–950 ramp

primary

#1F5B7D

secondary

#B06D48

accent

#7E44E3

background

#F6F8FA

surface

#EBF0F3

border

#C6CBCD

text

#070B0F

muted

#7A7C7F

Preview Lab

Preview with #1F5B7D

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

Preview Lab → · Contrast checker → · Palette generator →