#1F549A#1F549A

#1F549A is a mid, vivid cyan. Relative luminance 0.090; OKLCH L 45.0% C 0.127 H 256.8°. Best body text is #FFFFFF at 7.52:1 contrast (WCAG AA passes).

Color values

HEX	#1F549A
RGB	rgb(31, 84, 154)
HSL	hsl(214, 66%, 36%)
HSV	hsv(214, 80%, 60%)
CMYK	cmyk(79.9%, 45.5%, 0%, 39.6%)
CIE-LAB	lab(35.91, 8.81, -43.17)
CIE-LCH	lch(35.91, 44.06, 281.53°)
OKLab	oklab(45% -0.029 -0.1238)
OKLCH	oklch(45% 0.127 256.8)
XYZ	xyz(9.5660, 8.9639, 31.7916)
Luminance	0.0896 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F549A #9A651F

analogous

#1F929A #1F549A #281F9A

triadic

#1F549A #9A1F54 #549A1F

tetradic

#1F549A #9A1F92 #9A651F #1F9A28

square

#1F549A #9A1F92 #9A651F #1F9A28

split-complementary

#1F549A #9A281F #929A1F

monochromatic

#0A1C34 #153867 #1F549A #2970CD #5690DD

Accessibility & contrast

On white

7.52

#1F549A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#1F549A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F549A

7.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F549A	#FFFFFF	#000000	##FFFFFF
##1F549A	1.00	7.52	2.79	7.52
#FFFFFF	7.52	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#305A9D

Deuteranopia (green-blind)

#154F99

Tritanopia (blue-blind)

#00656F

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #1f549a;
/* rgb */ color: rgb(31, 84, 154);
/* oklch */ color: oklch(45.0% 0.127 256.8);

Tailwind

colors: {
  custom: {
    50: '#6e83b8',
    500: '#1f549a',
    950: '#000000',
  },
}

SCSS

$custom: #1f549a;
$custom-light: #6e83b8;
$custom-dark: #000000;

JSON

{
  "hex": "#1f549a",
  "rgb": {
    "r": 31,
    "g": 84,
    "b": 154
  },
  "hsl": {
    "h": 214.146,
    "s": 66.486,
    "l": 36.275
  },
  "oklch": {
    "l": 0.45,
    "c": 0.12715,
    "h": 256.8
  },
  "luminance": 0.08965
}

Semantic roles & 50–950 ramp

primary

#1F549A

secondary

#C19254

accent

#A03EE9

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#080A11

muted

#7B7C80

Preview Lab

Preview with #1F549A

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

Preview Lab → · Contrast checker → · Palette generator →