#1F5F87#1F5F87

#1F5F87 is a mid, moderate cyan. Relative luminance 0.102; OKLCH L 46.5% C 0.091 H 240.6°. Best body text is #FFFFFF at 6.90:1 contrast (WCAG AA passes).

Color values

HEX	#1F5F87
RGB	rgb(31, 95, 135)
HSL	hsl(203, 63%, 33%)
HSV	hsv(203, 77%, 53%)
CMYK	cmyk(77%, 29.6%, 0%, 47.1%)
CIE-LAB	lab(38.24, -5.66, -27.99)
CIE-LCH	lch(38.24, 28.55, 258.57°)
OKLab	oklab(46.47% -0.0446 -0.0791)
OKLCH	oklch(46.47% 0.091 240.6)
XYZ	xyz(9.0287, 10.2239, 24.4145)
Luminance	0.1022 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F5F87 #87471F

analogous

#1F877B #1F5F87 #1F2B87

triadic

#1F5F87 #871F5F #5F871F

tetradic

#1F5F87 #7B1F87 #87471F #2B871F

square

#1F5F87 #7B1F87 #87471F #2B871F

split-complementary

#1F5F87 #871F2B #877B1F

monochromatic

#081923 #143C55 #1F5F87 #2A82B9 #4BA0D6

Accessibility & contrast

On white

6.90

#1F5F87 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.05

#1F5F87 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F5F87

6.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F5F87	#FFFFFF	#000000	##FFFFFF
##1F5F87	1.00	6.90	3.05	6.90
#FFFFFF	6.90	1.00	21.00	1.00
#000000	3.05	21.00	1.00	21.00
##FFFFFF	6.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C5F89

Deuteranopia (green-blind)

#3E5686

Tritanopia (blue-blind)

#00696D

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #1f5f87;
/* rgb */ color: rgb(31, 95, 135);
/* oklch */ color: oklch(46.5% 0.091 240.6);

Tailwind

colors: {
  custom: {
    50: '#6a8caa',
    500: '#1f5f87',
    950: '#000000',
  },
}

SCSS

$custom: #1f5f87;
$custom-light: #6a8caa;
$custom-dark: #000000;

JSON

{
  "hex": "#1f5f87",
  "rgb": {
    "r": 31,
    "g": 95,
    "b": 135
  },
  "hsl": {
    "h": 203.077,
    "s": 62.651,
    "l": 32.549
  },
  "oklch": {
    "l": 0.46472,
    "c": 0.09083,
    "h": 240.6
  },
  "luminance": 0.10225
}

Semantic roles & 50–950 ramp

primary

#1F5F87

secondary

#B8744A

accent

#8142E6

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#070C10

muted

#7A7D7F

Preview Lab

Preview with #1F5F87

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

Preview Lab → · Contrast checker → · Palette generator →