#1F598E#1F598E

#1F598E is a mid, moderate cyan. Relative luminance 0.094; OKLCH L 45.4% C 0.105 H 249.7°. Best body text is #FFFFFF at 7.30:1 contrast (WCAG AA passes).

Color values

HEX	#1F598E
RGB	rgb(31, 89, 142)
HSL	hsl(209, 64%, 34%)
HSV	hsv(209, 78%, 56%)
CMYK	cmyk(78.2%, 37.3%, 0%, 44.3%)
CIE-LAB	lab(36.72, 0.80, -34.63)
CIE-LCH	lch(36.72, 34.64, 271.33°)
OKLab	oklab(45.39% -0.0365 -0.0986)
OKLCH	oklch(45.39% 0.105 249.7)
XYZ	xyz(9.0181, 9.3880, 26.9227)
Luminance	0.0939 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F598E #8E541F

analogous

#1F8E8C #1F598E #1F218E

triadic

#1F598E #8E1F59 #598E1F

tetradic

#1F598E #8C1F8E #8E541F #218E1F

square

#1F598E #8C1F8E #8E541F #218E1F

split-complementary

#1F598E #8E1F21 #8E8C1F

monochromatic

#091A2A #143A5C #1F598E #2A78C0 #4F97D9

Accessibility & contrast

On white

7.30

#1F598E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#1F598E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F598E

7.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F598E	#FFFFFF	#000000	##FFFFFF
##1F598E	1.00	7.30	2.88	7.30
#FFFFFF	7.30	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#405C90

Deuteranopia (green-blind)

#30528D

Tritanopia (blue-blind)

#00666C

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #1f598e;
/* rgb */ color: rgb(31, 89, 142);
/* oklch */ color: oklch(45.4% 0.105 249.7);

Tailwind

colors: {
  custom: {
    50: '#6c87af',
    500: '#1f598e',
    950: '#000000',
  },
}

SCSS

$custom: #1f598e;
$custom-light: #6c87af;
$custom-dark: #000000;

JSON

{
  "hex": "#1f598e",
  "rgb": {
    "r": 31,
    "g": 89,
    "b": 142
  },
  "hsl": {
    "h": 208.649,
    "s": 64.162,
    "l": 33.922
  },
  "oklch": {
    "l": 0.45394,
    "c": 0.10515,
    "h": 249.7
  },
  "luminance": 0.09389
}

Semantic roles & 50–950 ramp

primary

#1F598E

secondary

#BB824D

accent

#9041E7

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#080B10

muted

#7A7C7F

Preview Lab

Preview with #1F598E

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

Preview Lab → · Contrast checker → · Palette generator →