#1F5589#1F5589

#1F5589 is a dark, moderate cyan. Relative luminance 0.086; OKLCH L 44.1% C 0.103 H 250.7°. Best body text is #FFFFFF at 7.72:1 contrast (WCAG AA passes).

Color values

HEX	#1F5589
RGB	rgb(31, 85, 137)
HSL	hsl(209, 63%, 33%)
HSV	hsv(209, 77%, 54%)
CMYK	cmyk(77.4%, 38%, 0%, 46.3%)
CIE-LAB	lab(35.19, 1.43, -34.02)
CIE-LCH	lch(35.19, 34.05, 272.40°)
OKLab	oklab(44.1% -0.034 -0.0969)
OKLCH	oklch(44.1% 0.103 250.7)
XYZ	xyz(8.3272, 8.5935, 24.8819)
Luminance	0.0859 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F5589 #89531F

analogous

#1F8988 #1F5589 #1F2089

triadic

#1F5589 #891F55 #55891F

tetradic

#1F5589 #881F89 #89531F #20891F

square

#1F5589 #881F89 #89531F #20891F

split-complementary

#1F5589 #891F20 #89881F

monochromatic

#081725 #143657 #1F5589 #2A74BB #4C93D6

Accessibility & contrast

On white

7.72

#1F5589 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#1F5589 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F5589

7.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F5589	#FFFFFF	#000000	##FFFFFF
##1F5589	1.00	7.72	2.72	7.72
#FFFFFF	7.72	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D588B

Deuteranopia (green-blind)

#2D4E88

Tritanopia (blue-blind)

#006168

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #1f5589;
/* rgb */ color: rgb(31, 85, 137);
/* oklch */ color: oklch(44.1% 0.103 250.7);

Tailwind

colors: {
  custom: {
    50: '#6b84ac',
    500: '#1f5589',
    950: '#000000',
  },
}

SCSS

$custom: #1f5589;
$custom-light: #6b84ac;
$custom-dark: #000000;

JSON

{
  "hex": "#1f5589",
  "rgb": {
    "r": 31,
    "g": 85,
    "b": 137
  },
  "hsl": {
    "h": 209.434,
    "s": 63.095,
    "l": 32.941
  },
  "oklch": {
    "l": 0.44102,
    "c": 0.10267,
    "h": 250.7
  },
  "luminance": 0.08594
}

Semantic roles & 50–950 ramp

primary

#1F5589

secondary

#B9814B

accent

#9242E6

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#070A10

muted

#7A7C7F

Preview Lab

Preview with #1F5589

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

Preview Lab → · Contrast checker → · Palette generator →