#1F4F86#1F4F86

#1F4F86 is a dark, moderate cyan. Relative luminance 0.076; OKLCH L 42.4% C 0.105 H 254.0°. Best body text is #FFFFFF at 8.33:1 contrast (WCAG AA passes).

Color values

HEX	#1F4F86
RGB	rgb(31, 79, 134)
HSL	hsl(212, 62%, 32%)
HSV	hsv(212, 77%, 53%)
CMYK	cmyk(76.9%, 41%, 0%, 47.5%)
CIE-LAB	lab(33.14, 4.17, -35.43)
CIE-LCH	lch(33.14, 35.68, 276.72°)
OKLab	oklab(42.45% -0.0289 -0.1011)
OKLCH	oklch(42.45% 0.105 254)
XYZ	xyz(7.6625, 7.6036, 23.6134)
Luminance	0.0761 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4F86 #86561F

analogous

#1F8286 #1F4F86 #231F86

triadic

#1F4F86 #861F4F #4F861F

tetradic

#1F4F86 #861F82 #86561F #1F8623

square

#1F4F86 #861F82 #86561F #1F8623

split-complementary

#1F4F86 #86231F #82861F

monochromatic

#081423 #143254 #1F4F86 #2A6CB8 #4A8BD5

Accessibility & contrast

On white

8.33

#1F4F86 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#1F4F86 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4F86

8.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4F86	#FFFFFF	#000000	##FFFFFF
##1F4F86	1.00	8.33	2.52	8.33
#FFFFFF	8.33	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#355388

Deuteranopia (green-blind)

#244A85

Tritanopia (blue-blind)

#005C64

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #1f4f86;
/* rgb */ color: rgb(31, 79, 134);
/* oklch */ color: oklch(42.4% 0.105 254.0);

Tailwind

colors: {
  custom: {
    50: '#6a7fa9',
    500: '#1f4f86',
    950: '#000000',
  },
}

SCSS

$custom: #1f4f86;
$custom-light: #6a7fa9;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4f86",
  "rgb": {
    "r": 31,
    "g": 79,
    "b": 134
  },
  "hsl": {
    "h": 212.039,
    "s": 62.424,
    "l": 32.353
  },
  "oklch": {
    "l": 0.42445,
    "c": 0.10519,
    "h": 254
  },
  "luminance": 0.07605
}

Semantic roles & 50–950 ramp

primary

#1F4F86

secondary

#B88449

accent

#9942E5

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070A10

muted

#7A7C7F

Preview Lab

Preview with #1F4F86

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

Preview Lab → · Contrast checker → · Palette generator →