#1F4874#1F4874

#1F4874 is a dark, moderate cyan. Relative luminance 0.062; OKLCH L 39.6% C 0.088 H 252.3°. Best body text is #FFFFFF at 9.39:1 contrast (WCAG AA passes).

Color values

HEX	#1F4874
RGB	rgb(31, 72, 116)
HSL	hsl(211, 58%, 29%)
HSV	hsv(211, 73%, 45%)
CMYK	cmyk(73.3%, 37.9%, 0%, 54.5%)
CIE-LAB	lab(29.88, 1.71, -29.42)
CIE-LCH	lch(29.88, 29.47, 273.32°)
OKLab	oklab(39.55% -0.0266 -0.0836)
OKLCH	oklch(39.55% 0.088 252.3)
XYZ	xyz(6.0337, 6.1863, 17.3957)
Luminance	0.0619 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4874 #744B1F

analogous

#1F7374 #1F4874 #211F74

triadic

#1F4874 #741F48 #48741F

tetradic

#1F4874 #741F73 #744B1F #1F7421

square

#1F4874 #741F73 #744B1F #1F7421

split-complementary

#1F4874 #74211F #73741F

monochromatic

#060F18 #122A44 #1F4874 #2C66A4 #4184CC

Accessibility & contrast

On white

9.39

#1F4874 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#1F4874 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4874

9.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4874	#FFFFFF	#000000	##FFFFFF
##1F4874	1.00	9.39	2.24	9.39
#FFFFFF	9.39	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#344B76

Deuteranopia (green-blind)

#284373

Tritanopia (blue-blind)

#005258

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #1f4874;
/* rgb */ color: rgb(31, 72, 116);
/* oklch */ color: oklch(39.6% 0.088 252.3);

Tailwind

colors: {
  custom: {
    50: '#667a9c',
    500: '#1f4874',
    950: '#000000',
  },
}

SCSS

$custom: #1f4874;
$custom-light: #667a9c;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4874",
  "rgb": {
    "r": 31,
    "g": 72,
    "b": 116
  },
  "hsl": {
    "h": 211.059,
    "s": 57.823,
    "l": 28.824
  },
  "oklch": {
    "l": 0.3955,
    "c": 0.08779,
    "h": 252.3
  },
  "luminance": 0.06187
}

Semantic roles & 50–950 ramp

primary

#1F4874

secondary

#A87947

accent

#9747E1

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#06090E

muted

#7A7B7E

Preview Lab

Preview with #1F4874

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

Preview Lab → · Contrast checker → · Palette generator →