#1F5F88#1F5F88

#1F5F88 is a mid, moderate cyan. Relative luminance 0.103; OKLCH L 46.5% C 0.092 H 241.2°. Best body text is #FFFFFF at 6.88:1 contrast (WCAG AA passes).

Color values

HEX	#1F5F88
RGB	rgb(31, 95, 136)
HSL	hsl(203, 63%, 33%)
HSV	hsv(203, 77%, 53%)
CMYK	cmyk(77.2%, 30.1%, 0%, 46.7%)
CIE-LAB	lab(38.29, -5.28, -28.51)
CIE-LCH	lch(38.29, 29.00, 259.51°)
OKLab	oklab(46.53% -0.0443 -0.0807)
OKLCH	oklch(46.53% 0.092 241.2)
XYZ	xyz(9.0995, 10.2522, 24.7871)
Luminance	0.1025 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F5F88 #88481F

analogous

#1F887D #1F5F88 #1F2A88

triadic

#1F5F88 #881F5F #5F881F

tetradic

#1F5F88 #7D1F88 #88481F #2A881F

square

#1F5F88 #7D1F88 #88481F #2A881F

split-complementary

#1F5F88 #881F2A #887D1F

monochromatic

#081924 #143C56 #1F5F88 #2A82BA #4BA0D6

Accessibility & contrast

On white

6.88

#1F5F88 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.05

#1F5F88 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F5F88

6.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F5F88	#FFFFFF	#000000	##FFFFFF
##1F5F88	1.00	6.88	3.05	6.88
#FFFFFF	6.88	1.00	21.00	1.00
#000000	3.05	21.00	1.00	21.00
##FFFFFF	6.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C608A

Deuteranopia (green-blind)

#3D5687

Tritanopia (blue-blind)

#00696D

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #1f5f88;
/* rgb */ color: rgb(31, 95, 136);
/* oklch */ color: oklch(46.5% 0.092 241.2);

Tailwind

colors: {
  custom: {
    50: '#6b8cab',
    500: '#1f5f88',
    950: '#000000',
  },
}

SCSS

$custom: #1f5f88;
$custom-light: #6b8cab;
$custom-dark: #000000;

JSON

{
  "hex": "#1f5f88",
  "rgb": {
    "r": 31,
    "g": 95,
    "b": 136
  },
  "hsl": {
    "h": 203.429,
    "s": 62.874,
    "l": 32.745
  },
  "oklch": {
    "l": 0.46528,
    "c": 0.09201,
    "h": 241.2
  },
  "luminance": 0.10253
}

Semantic roles & 50–950 ramp

primary

#1F5F88

secondary

#B9754A

accent

#8242E6

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#070C10

muted

#7A7D7F

Preview Lab

Preview with #1F5F88

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

Preview Lab → · Contrast checker → · Palette generator →