#1F5691#1F5691

#1F5691 is a dark, moderate cyan. Relative luminance 0.090; OKLCH L 44.9% C 0.112 H 253.0°. Best body text is #FFFFFF at 7.50:1 contrast (WCAG AA passes).

Color values

HEX	#1F5691
RGB	rgb(31, 86, 145)
HSL	hsl(211, 65%, 35%)
HSV	hsv(211, 79%, 57%)
CMYK	cmyk(78.6%, 40.7%, 0%, 43.1%)
CIE-LAB	lab(35.97, 3.92, -37.65)
CIE-LCH	lch(35.97, 37.86, 275.95°)
OKLab	oklab(44.86% -0.0328 -0.1075)
OKLCH	oklch(44.86% 0.112 253)
XYZ	xyz(9.0018, 8.9902, 28.0434)
Luminance	0.0899 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F5691 #915A1F

analogous

#1F8F91 #1F5691 #211F91

triadic

#1F5691 #911F56 #56911F

tetradic

#1F5691 #911F8F #915A1F #1F9121

square

#1F5691 #911F8F #915A1F #1F9121

split-complementary

#1F5691 #91211F #8F911F

monochromatic

#091A2C #14385F #1F5691 #2A74C3 #5193DA

Accessibility & contrast

On white

7.50

#1F5691 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#1F5691 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F5691

7.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F5691	#FFFFFF	#000000	##FFFFFF
##1F5691	1.00	7.50	2.80	7.50
#FFFFFF	7.50	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A5A93

Deuteranopia (green-blind)

#275090

Tritanopia (blue-blind)

#00646C

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #1f5691;
/* rgb */ color: rgb(31, 86, 145);
/* oklch */ color: oklch(44.9% 0.112 253.0);

Tailwind

colors: {
  custom: {
    50: '#6c85b1',
    500: '#1f5691',
    950: '#000000',
  },
}

SCSS

$custom: #1f5691;
$custom-light: #6c85b1;
$custom-dark: #000000;

JSON

{
  "hex": "#1f5691",
  "rgb": {
    "r": 31,
    "g": 86,
    "b": 145
  },
  "hsl": {
    "h": 211.053,
    "s": 64.773,
    "l": 34.51
  },
  "oklch": {
    "l": 0.4486,
    "c": 0.11243,
    "h": 253
  },
  "luminance": 0.08991
}

Semantic roles & 50–950 ramp

primary

#1F5691

secondary

#BD884F

accent

#9740E8

background

#F7F8FA

surface

#EDEFF5

border

#C8CACF

text

#080B11

muted

#7B7C80

Preview Lab

Preview with #1F5691

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

Preview Lab → · Contrast checker → · Palette generator →