#1F7599#1F7599

#1F7599 is a mid, moderate cyan. Relative luminance 0.153; OKLCH L 53.0% C 0.096 H 231.1°. Best body text is #FFFFFF at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#1F7599
RGB	rgb(31, 117, 153)
HSL	hsl(198, 66%, 36%)
HSV	hsv(198, 80%, 60%)
CMYK	cmyk(79.7%, 23.5%, 0%, 40%)
CIE-LAB	lab(46.06, -12.05, -26.55)
CIE-LCH	lch(46.06, 29.16, 245.58°)
OKLab	oklab(52.97% -0.0602 -0.0747)
OKLCH	oklch(52.97% 0.096 231.1)
XYZ	xyz(12.6738, 15.3122, 32.4184)
Luminance	0.1531 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F7599 #99431F

analogous

#1F9980 #1F7599 #1F3899

triadic

#1F7599 #991F75 #75991F

tetradic

#1F7599 #801F99 #99431F #38991F

square

#1F7599 #801F99 #99431F #38991F

split-complementary

#1F7599 #991F38 #99801F

monochromatic

#0A2733 #154E66 #1F7599 #299CCC #56B5DD

Accessibility & contrast

On white

5.17

#1F7599 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.06

#1F7599 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F7599

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F7599	#FFFFFF	#000000	##FFFFFF
##1F7599	1.00	5.17	4.06	5.17
#FFFFFF	5.17	1.00	21.00	1.00
#000000	4.06	21.00	1.00	21.00
##FFFFFF	5.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#63749B

Deuteranopia (green-blind)

#536898

Tritanopia (blue-blind)

#007F81

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #1f7599;
/* rgb */ color: rgb(31, 117, 153);
/* oklch */ color: oklch(53.0% 0.096 231.1);

Tailwind

colors: {
  custom: {
    50: '#6f9cb7',
    500: '#1f7599',
    950: '#000000',
  },
}

SCSS

$custom: #1f7599;
$custom-light: #6f9cb7;
$custom-dark: #000000;

JSON

{
  "hex": "#1f7599",
  "rgb": {
    "r": 31,
    "g": 117,
    "b": 153
  },
  "hsl": {
    "h": 197.705,
    "s": 66.304,
    "l": 36.078
  },
  "oklch": {
    "l": 0.52971,
    "c": 0.09599,
    "h": 231.1
  },
  "luminance": 0.15314
}

Semantic roles & 50–950 ramp

primary

#1F7599

secondary

#C07454

accent

#713FE9

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#080E11

muted

#7B7E80

Preview Lab

Preview with #1F7599

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

Preview Lab → · Contrast checker → · Palette generator →