#1F4E84#1F4E84

#1F4E84 is a dark, moderate cyan. Relative luminance 0.074; OKLCH L 42.1% C 0.104 H 254.0°. Best body text is #FFFFFF at 8.46:1 contrast (WCAG AA passes).

Color values

HEX	#1F4E84
RGB	rgb(31, 78, 132)
HSL	hsl(212, 62%, 32%)
HSV	hsv(212, 77%, 52%)
CMYK	cmyk(76.5%, 40.9%, 0%, 48.2%)
CIE-LAB	lab(32.71, 4.04, -34.89)
CIE-LCH	lch(32.71, 35.12, 276.61°)
OKLab	oklab(42.07% -0.0285 -0.0995)
OKLCH	oklch(42.07% 0.104 254)
XYZ	xyz(7.4528, 7.4052, 22.8619)
Luminance	0.0741 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4E84 #84551F

analogous

#1F8184 #1F4E84 #231F84

triadic

#1F4E84 #841F4E #4E841F

tetradic

#1F4E84 #841F81 #84551F #1F8423

square

#1F4E84 #841F81 #84551F #1F8423

split-complementary

#1F4E84 #84231F #81841F

monochromatic

#081321 #133152 #1F4E84 #2B6BB6 #498AD4

Accessibility & contrast

On white

8.46

#1F4E84 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#1F4E84 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4E84

8.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4E84	#FFFFFF	#000000	##FFFFFF
##1F4E84	1.00	8.46	2.48	8.46
#FFFFFF	8.46	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#355286

Deuteranopia (green-blind)

#244983

Tritanopia (blue-blind)

#005B62

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #1f4e84;
/* rgb */ color: rgb(31, 78, 132);
/* oklch */ color: oklch(42.1% 0.104 254.0);

Tailwind

colors: {
  custom: {
    50: '#697fa8',
    500: '#1f4e84',
    950: '#000000',
  },
}

SCSS

$custom: #1f4e84;
$custom-light: #697fa8;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4e84",
  "rgb": {
    "r": 31,
    "g": 78,
    "b": 132
  },
  "hsl": {
    "h": 212.079,
    "s": 61.963,
    "l": 31.961
  },
  "oklch": {
    "l": 0.4207,
    "c": 0.10354,
    "h": 254
  },
  "luminance": 0.07406
}

Semantic roles & 50–950 ramp

primary

#1F4E84

secondary

#B78348

accent

#9A43E5

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #1F4E84

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

Preview Lab → · Contrast checker → · Palette generator →