#1F4C82#1F4C82

#1F4C82 is a dark, moderate cyan. Relative luminance 0.071; OKLCH L 41.5% C 0.103 H 254.8°. Best body text is #FFFFFF at 8.70:1 contrast (WCAG AA passes).

Color values

HEX	#1F4C82
RGB	rgb(31, 76, 130)
HSL	hsl(213, 61%, 32%)
HSV	hsv(213, 76%, 51%)
CMYK	cmyk(76.2%, 41.5%, 0%, 49%)
CIE-LAB	lab(31.97, 4.58, -34.84)
CIE-LCH	lch(31.97, 35.14, 277.49°)
OKLab	oklab(41.45% -0.027 -0.0994)
OKLCH	oklch(41.45% 0.103 254.8)
XYZ	xyz(7.1773, 7.0711, 22.1014)
Luminance	0.0707 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4C82 #82551F

analogous

#1F7E82 #1F4C82 #231F82

triadic

#1F4C82 #821F4C #4C821F

tetradic

#1F4C82 #821F7E #82551F #1F8223

square

#1F4C82 #821F7E #82551F #1F8223

split-complementary

#1F4C82 #82231F #7E821F

monochromatic

#07121F #132F51 #1F4C82 #2B69B3 #4887D3

Accessibility & contrast

On white

8.70

#1F4C82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#1F4C82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4C82

8.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4C82	#FFFFFF	#000000	##FFFFFF
##1F4C82	1.00	8.70	2.41	8.70
#FFFFFF	8.70	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#325084

Deuteranopia (green-blind)

#224781

Tritanopia (blue-blind)

#005960

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #1f4c82;
/* rgb */ color: rgb(31, 76, 130);
/* oklch */ color: oklch(41.5% 0.103 254.8);

Tailwind

colors: {
  custom: {
    50: '#697da6',
    500: '#1f4c82',
    950: '#000000',
  },
}

SCSS

$custom: #1f4c82;
$custom-light: #697da6;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4c82",
  "rgb": {
    "r": 31,
    "g": 76,
    "b": 130
  },
  "hsl": {
    "h": 212.727,
    "s": 61.491,
    "l": 31.569
  },
  "oklch": {
    "l": 0.41452,
    "c": 0.10305,
    "h": 254.8
  },
  "luminance": 0.07072
}

Semantic roles & 50–950 ramp

primary

#1F4C82

secondary

#B58348

accent

#9B43E5

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #1F4C82

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

Preview Lab → · Contrast checker → · Palette generator →