#1F4473#1F4473

#1F4473 is a dark, moderate cyan. Relative luminance 0.057; OKLCH L 38.5% C 0.091 H 255.6°. Best body text is #FFFFFF at 9.85:1 contrast (WCAG AA passes).

Color values

HEX	#1F4473
RGB	rgb(31, 68, 115)
HSL	hsl(214, 58%, 29%)
HSV	hsv(214, 73%, 45%)
CMYK	cmyk(73%, 40.9%, 0%, 54.9%)
CIE-LAB	lab(28.55, 4.00, -30.91)
CIE-LCH	lch(28.55, 31.17, 277.37°)
OKLab	oklab(38.49% -0.0227 -0.0881)
OKLCH	oklch(38.49% 0.091 255.6)
XYZ	xyz(5.7256, 5.6628, 17.0076)
Luminance	0.0566 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4473 #734E1F

analogous

#1F6E73 #1F4473 #241F73

triadic

#1F4473 #731F44 #44731F

tetradic

#1F4473 #731F6E #734E1F #1F7324

square

#1F4473 #731F6E #734E1F #1F7324

split-complementary

#1F4473 #73241F #6E731F

monochromatic

#060E18 #122743 #1F4473 #2C61A3 #417ECC

Accessibility & contrast

On white

9.85

#1F4473 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#1F4473 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4473

9.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4473	#FFFFFF	#000000	##FFFFFF
##1F4473	1.00	9.85	2.13	9.85
#FFFFFF	9.85	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E4875

Deuteranopia (green-blind)

#224072

Tritanopia (blue-blind)

#004F56

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #1f4473;
/* rgb */ color: rgb(31, 68, 115);
/* oklch */ color: oklch(38.5% 0.091 255.6);

Tailwind

colors: {
  custom: {
    50: '#66779b',
    500: '#1f4473',
    950: '#000000',
  },
}

SCSS

$custom: #1f4473;
$custom-light: #66779b;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4473",
  "rgb": {
    "r": 31,
    "g": 68,
    "b": 115
  },
  "hsl": {
    "h": 213.571,
    "s": 57.534,
    "l": 28.627
  },
  "oklch": {
    "l": 0.38491,
    "c": 0.09093,
    "h": 255.6
  },
  "luminance": 0.05663
}

Semantic roles & 50–950 ramp

primary

#1F4473

secondary

#A77D47

accent

#9D47E1

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#06080E

muted

#7A7B7E

Preview Lab

Preview with #1F4473

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

Preview Lab → · Contrast checker → · Palette generator →