#1F4774#1F4774

#1F4774 is a dark, moderate cyan. Relative luminance 0.061; OKLCH L 39.3% C 0.089 H 253.3°. Best body text is #FFFFFF at 9.49:1 contrast (WCAG AA passes).

Color values

HEX	#1F4774
RGB	rgb(31, 71, 116)
HSL	hsl(212, 58%, 29%)
HSV	hsv(212, 73%, 45%)
CMYK	cmyk(73.3%, 38.8%, 0%, 54.5%)
CIE-LAB	lab(29.56, 2.38, -29.93)
CIE-LCH	lch(29.56, 30.02, 274.54°)
OKLab	oklab(39.3% -0.0256 -0.0851)
OKLCH	oklch(39.3% 0.089 253.3)
XYZ	xyz(5.9695, 6.0581, 17.3743)
Luminance	0.0606 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4774 #744C1F

analogous

#1F7274 #1F4774 #221F74

triadic

#1F4774 #741F47 #47741F

tetradic

#1F4774 #741F72 #744C1F #1F7422

square

#1F4774 #741F72 #744C1F #1F7422

split-complementary

#1F4774 #74221F #72741F

monochromatic

#060F18 #122944 #1F4774 #2C65A4 #4183CC

Accessibility & contrast

On white

9.49

#1F4774 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#1F4774 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4774

9.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4774	#FFFFFF	#000000	##FFFFFF
##1F4774	1.00	9.49	2.21	9.49
#FFFFFF	9.49	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#334A76

Deuteranopia (green-blind)

#264273

Tritanopia (blue-blind)

#005258

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #1f4774;
/* rgb */ color: rgb(31, 71, 116);
/* oklch */ color: oklch(39.3% 0.089 253.3);

Tailwind

colors: {
  custom: {
    50: '#66799c',
    500: '#1f4774',
    950: '#000000',
  },
}

SCSS

$custom: #1f4774;
$custom-light: #66799c;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4774",
  "rgb": {
    "r": 31,
    "g": 71,
    "b": 116
  },
  "hsl": {
    "h": 211.765,
    "s": 57.823,
    "l": 28.824
  },
  "oklch": {
    "l": 0.39301,
    "c": 0.0889,
    "h": 253.3
  },
  "luminance": 0.06059
}

Semantic roles & 50–950 ramp

primary

#1F4774

secondary

#A87A47

accent

#9847E1

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#06090E

muted

#7A7B7E

Preview Lab

Preview with #1F4774

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

Preview Lab → · Contrast checker → · Palette generator →