#1F598D#1F598D

#1F598D is a mid, moderate cyan. Relative luminance 0.094; OKLCH L 45.3% C 0.104 H 249.3°. Best body text is #FFFFFF at 7.31:1 contrast (WCAG AA passes).

Color values

HEX	#1F598D
RGB	rgb(31, 89, 141)
HSL	hsl(208, 64%, 34%)
HSV	hsv(208, 78%, 55%)
CMYK	cmyk(78%, 36.9%, 0%, 44.7%)
CIE-LAB	lab(36.66, 0.41, -34.11)
CIE-LCH	lch(36.66, 34.12, 270.69°)
OKLab	oklab(45.33% -0.0367 -0.0971)
OKLCH	oklch(45.33% 0.104 249.3)
XYZ	xyz(8.9433, 9.3581, 26.5291)
Luminance	0.0936 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F598D #8D531F

analogous

#1F8D8A #1F598D #1F228D

triadic

#1F598D #8D1F59 #598D1F

tetradic

#1F598D #8A1F8D #8D531F #228D1F

square

#1F598D #8A1F8D #8D531F #228D1F

split-complementary

#1F598D #8D1F22 #8D8A1F

monochromatic

#091A29 #14395B #1F598D #2A79BF #4E97D8

Accessibility & contrast

On white

7.31

#1F598D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#1F598D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F598D

7.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F598D	#FFFFFF	#000000	##FFFFFF
##1F598D	1.00	7.31	2.87	7.31
#FFFFFF	7.31	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#415C8F

Deuteranopia (green-blind)

#31528C

Tritanopia (blue-blind)

#00656C

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #1f598d;
/* rgb */ color: rgb(31, 89, 141);
/* oklch */ color: oklch(45.3% 0.104 249.3);

Tailwind

colors: {
  custom: {
    50: '#6b87ae',
    500: '#1f598d',
    950: '#000000',
  },
}

SCSS

$custom: #1f598d;
$custom-light: #6b87ae;
$custom-dark: #000000;

JSON

{
  "hex": "#1f598d",
  "rgb": {
    "r": 31,
    "g": 89,
    "b": 141
  },
  "hsl": {
    "h": 208.364,
    "s": 63.953,
    "l": 33.725
  },
  "oklch": {
    "l": 0.45332,
    "c": 0.10382,
    "h": 249.3
  },
  "luminance": 0.09359
}

Semantic roles & 50–950 ramp

primary

#1F598D

secondary

#BB814D

accent

#8F41E7

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#080B10

muted

#7A7C7F

Preview Lab

Preview with #1F598D

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

Preview Lab → · Contrast checker → · Palette generator →