#1F6589#1F6589

#1F6589 is a mid, moderate cyan. Relative luminance 0.114; OKLCH L 48.1% C 0.089 H 235.7°. Best body text is #FFFFFF at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#1F6589
RGB	rgb(31, 101, 137)
HSL	hsl(200, 63%, 33%)
HSV	hsv(200, 77%, 54%)
CMYK	cmyk(77.4%, 26.3%, 0%, 46.3%)
CIE-LAB	lab(40.25, -8.55, -26.05)
CIE-LCH	lch(40.25, 27.42, 251.83°)
OKLab	oklab(48.1% -0.05 -0.0735)
OKLCH	oklch(48.1% 0.089 235.7)
XYZ	xyz(9.7323, 11.4037, 25.3503)
Luminance	0.1140 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F6589 #89431F

analogous

#1F8978 #1F6589 #1F3089

triadic

#1F6589 #891F65 #65891F

tetradic

#1F6589 #781F89 #89431F #30891F

square

#1F6589 #781F89 #89431F #30891F

split-complementary

#1F6589 #891F30 #89781F

monochromatic

#081B25 #144057 #1F6589 #2A8ABB #4CA7D6

Accessibility & contrast

On white

6.40

#1F6589 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#1F6589 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F6589

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F6589	#FFFFFF	#000000	##FFFFFF
##1F6589	1.00	6.40	3.28	6.40
#FFFFFF	6.40	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#54648B

Deuteranopia (green-blind)

#455A88

Tritanopia (blue-blind)

#006E71

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #1f6589;
/* rgb */ color: rgb(31, 101, 137);
/* oklch */ color: oklch(48.1% 0.089 235.7);

Tailwind

colors: {
  custom: {
    50: '#6b90ab',
    500: '#1f6589',
    950: '#000000',
  },
}

SCSS

$custom: #1f6589;
$custom-light: #6b90ab;
$custom-dark: #000000;

JSON

{
  "hex": "#1f6589",
  "rgb": {
    "r": 31,
    "g": 101,
    "b": 137
  },
  "hsl": {
    "h": 200.377,
    "s": 63.095,
    "l": 32.941
  },
  "oklch": {
    "l": 0.481,
    "c": 0.08888,
    "h": 235.7
  },
  "luminance": 0.11405
}

Semantic roles & 50–950 ramp

primary

#1F6589

secondary

#B9704B

accent

#7A42E6

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#080C10

muted

#7A7D7F

Preview Lab

Preview with #1F6589

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

Preview Lab → · Contrast checker → · Palette generator →