#1F445E#1F445E

#1F445E is a dark, moderate cyan. Relative luminance 0.052; OKLCH L 37.2% C 0.062 H 241.7°. Best body text is #FFFFFF at 10.26:1 contrast (WCAG AA passes).

Color values

HEX	#1F445E
RGB	rgb(31, 68, 94)
HSL	hsl(205, 50%, 25%)
HSV	hsv(205, 67%, 37%)
CMYK	cmyk(67%, 27.7%, 0%, 63.1%)
CIE-LAB	lab(27.39, -4.13, -19.32)
CIE-LCH	lch(27.39, 19.76, 257.94°)
OKLab	oklab(37.21% -0.0293 -0.0543)
OKLCH	oklch(37.21% 0.062 241.7)
XYZ	xyz(4.6518, 5.2332, 11.3525)
Luminance	0.0523 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F445E #5E391F

analogous

#1F5E59 #1F445E #1F255E

triadic

#1F445E #5E1F44 #445E1F

tetradic

#1F445E #591F5E #5E391F #255E1F

square

#1F445E #591F5E #5E391F #255E1F

split-complementary

#1F445E #5E1F25 #5E591F

monochromatic

#081117 #102330 #1F445E #2E658C #3D87BA

Accessibility & contrast

On white

10.26

#1F445E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#1F445E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F445E

10.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F445E	#FFFFFF	#000000	##FFFFFF
##1F445E	1.00	10.26	2.05	10.26
#FFFFFF	10.26	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#38445F

Deuteranopia (green-blind)

#303E5E

Tritanopia (blue-blind)

#004A4D

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #1f445e;
/* rgb */ color: rgb(31, 68, 94);
/* oklch */ color: oklch(37.2% 0.062 241.7);

Tailwind

colors: {
  custom: {
    50: '#62778b',
    500: '#1f445e',
    950: '#000000',
  },
}

SCSS

$custom: #1f445e;
$custom-light: #62778b;
$custom-dark: #000000;

JSON

{
  "hex": "#1f445e",
  "rgb": {
    "r": 31,
    "g": 68,
    "b": 94
  },
  "hsl": {
    "h": 204.762,
    "s": 50.4,
    "l": 24.51
  },
  "oklch": {
    "l": 0.37205,
    "c": 0.0617,
    "h": 241.7
  },
  "luminance": 0.05234
}

Semantic roles & 50–950 ramp

primary

#1F445E

secondary

#936646

accent

#884EDA

background

#F6F7F8

surface

#EBEDF0

border

#C6C8CB

text

#05080C

muted

#7A7B7D

Preview Lab

Preview with #1F445E

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

Preview Lab → · Contrast checker → · Palette generator →