#1F549C#1F549C

#1F549C is a mid, vivid cyan. Relative luminance 0.090; OKLCH L 45.1% C 0.130 H 257.3°. Best body text is #FFFFFF at 7.48:1 contrast (WCAG AA passes).

Color values

HEX	#1F549C
RGB	rgb(31, 84, 156)
HSL	hsl(215, 67%, 37%)
HSV	hsv(215, 80%, 61%)
CMYK	cmyk(80.1%, 46.2%, 0%, 38.8%)
CIE-LAB	lab(36.04, 9.60, -44.17)
CIE-LCH	lch(36.04, 45.20, 282.26°)
OKLab	oklab(45.14% -0.0286 -0.1267)
OKLCH	oklch(45.14% 0.13 257.3)
XYZ	xyz(9.7339, 9.0311, 32.6762)
Luminance	0.0903 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F549C #9C671F

analogous

#1F939C #1F549C #291F9C

triadic

#1F549C #9C1F54 #549C1F

tetradic

#1F549C #9C1F93 #9C671F #1F9C29

square

#1F549C #9C1F93 #9C671F #1F9C29

split-complementary

#1F549C #9C291F #939C1F

monochromatic

#0B1D36 #153969 #1F549C #296FCF #5891DE

Accessibility & contrast

On white

7.48

#1F549C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.81

#1F549C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F549C

7.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F549C	#FFFFFF	#000000	##FFFFFF
##1F549C	1.00	7.48	2.81	7.48
#FFFFFF	7.48	1.00	21.00	1.00
#000000	2.81	21.00	1.00	21.00
##FFFFFF	7.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E5B9F

Deuteranopia (green-blind)

#11509B

Tritanopia (blue-blind)

#006570

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #1f549c;
/* rgb */ color: rgb(31, 84, 156);
/* oklch */ color: oklch(45.1% 0.130 257.3);

Tailwind

colors: {
  custom: {
    50: '#6f83ba',
    500: '#1f549c',
    950: '#000000',
  },
}

SCSS

$custom: #1f549c;
$custom-light: #6f83ba;
$custom-dark: #000000;

JSON

{
  "hex": "#1f549c",
  "rgb": {
    "r": 31,
    "g": 84,
    "b": 156
  },
  "hsl": {
    "h": 214.56,
    "s": 66.845,
    "l": 36.667
  },
  "oklch": {
    "l": 0.45142,
    "c": 0.12992,
    "h": 257.3
  },
  "luminance": 0.09032
}

Semantic roles & 50–950 ramp

primary

#1F549C

secondary

#C19455

accent

#A13EEA

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#080A11

muted

#7B7C80

Preview Lab

Preview with #1F549C

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

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