#1F445D#1F445D

#1F445D is a dark, moderate cyan. Relative luminance 0.052; OKLCH L 37.1% C 0.060 H 240.6°. Best body text is #FFFFFF at 10.28:1 contrast (WCAG AA passes).

Color values

HEX	#1F445D
RGB	rgb(31, 68, 93)
HSL	hsl(204, 50%, 24%)
HSV	hsv(204, 67%, 36%)
CMYK	cmyk(66.7%, 26.9%, 0%, 63.5%)
CIE-LAB	lab(27.34, -4.50, -18.76)
CIE-LCH	lch(27.34, 19.29, 256.50°)
OKLab	oklab(37.15% -0.0297 -0.0527)
OKLCH	oklch(37.15% 0.06 240.6)
XYZ	xyz(4.6072, 5.2154, 11.1177)
Luminance	0.0522 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F445D #5D381F

analogous

#1F5D57 #1F445D #1F255D

triadic

#1F445D #5D1F44 #445D1F

tetradic

#1F445D #571F5D #5D381F #255D1F

square

#1F445D #571F5D #5D381F #255D1F

split-complementary

#1F445D #5D1F25 #5D571F

monochromatic

#081117 #10222F #1F445D #2E668B #3E87B9

Accessibility & contrast

On white

10.28

#1F445D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#1F445D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F445D

10.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F445D	#FFFFFF	#000000	##FFFFFF
##1F445D	1.00	10.28	2.04	10.28
#FFFFFF	10.28	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#39445E

Deuteranopia (green-blind)

#303E5D

Tritanopia (blue-blind)

#004A4D

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #1f445d;
/* rgb */ color: rgb(31, 68, 93);
/* oklch */ color: oklch(37.1% 0.060 240.6);

Tailwind

colors: {
  custom: {
    50: '#62778b',
    500: '#1f445d',
    950: '#000000',
  },
}

SCSS

$custom: #1f445d;
$custom-light: #62778b;
$custom-dark: #000000;

JSON

{
  "hex": "#1f445d",
  "rgb": {
    "r": 31,
    "g": 68,
    "b": 93
  },
  "hsl": {
    "h": 204.194,
    "s": 50,
    "l": 24.314
  },
  "oklch": {
    "l": 0.3715,
    "c": 0.06045,
    "h": 240.6
  },
  "luminance": 0.05216
}

Semantic roles & 50–950 ramp

primary

#1F445D

secondary

#926546

accent

#864EDA

background

#F6F7F8

surface

#EBEDF0

border

#C6C8CB

text

#05080C

muted

#7A7B7D

Preview Lab

Preview with #1F445D

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

Preview Lab → · Contrast checker → · Palette generator →