#1F549E#1F549E

#1F549E is a mid, vivid cyan. Relative luminance 0.091; OKLCH L 45.3% C 0.133 H 257.7°. Best body text is #FFFFFF at 7.45:1 contrast (WCAG AA passes).

Color values

HEX	#1F549E
RGB	rgb(31, 84, 158)
HSL	hsl(215, 67%, 37%)
HSV	hsv(215, 80%, 62%)
CMYK	cmyk(80.4%, 46.8%, 0%, 38%)
CIE-LAB	lab(36.17, 10.40, -45.16)
CIE-LCH	lch(36.17, 46.34, 282.97°)
OKLab	oklab(45.29% -0.0283 -0.1296)
OKLCH	oklch(45.29% 0.133 257.7)
XYZ	xyz(9.9047, 9.0994, 33.5755)
Luminance	0.0910 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F549E #9E691F

analogous

#1F949E #1F549E #2A1F9E

triadic

#1F549E #9E1F54 #549E1F

tetradic

#1F549E #9E1F94 #9E691F #1F9E2A

square

#1F549E #9E1F94 #9E691F #1F9E2A

split-complementary

#1F549E #9E2A1F #949E1F

monochromatic

#0B1E38 #15396B #1F549E #296FD1 #5991DE

Accessibility & contrast

On white

7.45

#1F549E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#1F549E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F549E

7.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F549E	#FFFFFF	#000000	##FFFFFF
##1F549E	1.00	7.45	2.82	7.45
#FFFFFF	7.45	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C5BA1

Deuteranopia (green-blind)

#0B509D

Tritanopia (blue-blind)

#006671

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #1f549e;
/* rgb */ color: rgb(31, 84, 158);
/* oklch */ color: oklch(45.3% 0.133 257.7);

Tailwind

colors: {
  custom: {
    50: '#6f83bb',
    500: '#1f549e',
    950: '#000000',
  },
}

SCSS

$custom: #1f549e;
$custom-light: #6f83bb;
$custom-dark: #000000;

JSON

{
  "hex": "#1f549e",
  "rgb": {
    "r": 31,
    "g": 84,
    "b": 158
  },
  "hsl": {
    "h": 214.961,
    "s": 67.196,
    "l": 37.059
  },
  "oklch": {
    "l": 0.45285,
    "c": 0.13269,
    "h": 257.7
  },
  "luminance": 0.09101
}

Semantic roles & 50–950 ramp

primary

#1F549E

secondary

#C29556

accent

#A23EEA

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #1F549E

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

Preview Lab → · Contrast checker → · Palette generator →