#1F5A99#1F5A99

#1F5A99 is a mid, moderate cyan. Relative luminance 0.099; OKLCH L 46.3% C 0.119 H 253.1°. Best body text is #FFFFFF at 7.05:1 contrast (WCAG AA passes).

Color values

HEX	#1F5A99
RGB	rgb(31, 90, 153)
HSL	hsl(211, 66%, 36%)
HSV	hsv(211, 80%, 60%)
CMYK	cmyk(79.7%, 41.2%, 0%, 40%)
CIE-LAB	lab(37.67, 4.47, -39.77)
CIE-LCH	lch(37.67, 40.02, 276.42°)
OKLab	oklab(46.34% -0.0345 -0.1137)
OKLCH	oklch(46.34% 0.119 253.1)
XYZ	xyz(9.9688, 9.9024, 31.5168)
Luminance	0.0990 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F5A99 #995E1F

analogous

#1F9799 #1F5A99 #211F99

triadic

#1F5A99 #991F5A #5A991F

tetradic

#1F5A99 #991F97 #995E1F #1F9921

square

#1F5A99 #991F97 #995E1F #1F9921

split-complementary

#1F5A99 #99211F #97991F

monochromatic

#0A1E33 #153C66 #1F5A99 #2978CC #5697DD

Accessibility & contrast

On white

7.05

#1F5A99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.98

#1F5A99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F5A99

7.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F5A99	#FFFFFF	#000000	##FFFFFF
##1F5A99	1.00	7.05	2.98	7.05
#FFFFFF	7.05	1.00	21.00	1.00
#000000	2.98	21.00	1.00	21.00
##FFFFFF	7.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B5F9C

Deuteranopia (green-blind)

#275498

Tritanopia (blue-blind)

#006972

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #1f5a99;
/* rgb */ color: rgb(31, 90, 153);
/* oklch */ color: oklch(46.3% 0.119 253.1);

Tailwind

colors: {
  custom: {
    50: '#6e88b7',
    500: '#1f5a99',
    950: '#000000',
  },
}

SCSS

$custom: #1f5a99;
$custom-light: #6e88b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1f5a99",
  "rgb": {
    "r": 31,
    "g": 90,
    "b": 153
  },
  "hsl": {
    "h": 210.984,
    "s": 66.304,
    "l": 36.078
  },
  "oklch": {
    "l": 0.46341,
    "c": 0.1188,
    "h": 253.1
  },
  "luminance": 0.09904
}

Semantic roles & 50–950 ramp

primary

#1F5A99

secondary

#C08C54

accent

#973FE9

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#080B11

muted

#7B7C80

Preview Lab

Preview with #1F5A99

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

Preview Lab → · Contrast checker → · Palette generator →