#1F445F#1F445F

#1F445F is a dark, moderate cyan. Relative luminance 0.053; OKLCH L 37.3% C 0.063 H 242.7°. Best body text is #FFFFFF at 10.24:1 contrast (WCAG AA passes).

Color values

HEX	#1F445F
RGB	rgb(31, 68, 95)
HSL	hsl(205, 51%, 25%)
HSV	hsv(205, 67%, 37%)
CMYK	cmyk(67.4%, 28.4%, 0%, 62.7%)
CIE-LAB	lab(27.44, -3.75, -19.89)
CIE-LCH	lch(27.44, 20.24, 259.31°)
OKLab	oklab(37.26% -0.0289 -0.0559)
OKLCH	oklch(37.26% 0.063 242.7)
XYZ	xyz(4.6970, 5.2513, 11.5903)
Luminance	0.0525 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F445F #5F3A1F

analogous

#1F5F5A #1F445F #1F245F

triadic

#1F445F #5F1F44 #445F1F

tetradic

#1F445F #5A1F5F #5F3A1F #245F1F

square

#1F445F #5A1F5F #5F3A1F #245F1F

split-complementary

#1F445F #5F1F24 #5F5A1F

monochromatic

#081117 #102331 #1F445F #2E658D #3D86BB

Accessibility & contrast

On white

10.24

#1F445F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#1F445F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F445F

10.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F445F	#FFFFFF	#000000	##FFFFFF
##1F445F	1.00	10.24	2.05	10.24
#FFFFFF	10.24	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#384460

Deuteranopia (green-blind)

#2F3E5F

Tritanopia (blue-blind)

#004B4D

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #1f445f;
/* rgb */ color: rgb(31, 68, 95);
/* oklch */ color: oklch(37.3% 0.063 242.7);

Tailwind

colors: {
  custom: {
    50: '#62778c',
    500: '#1f445f',
    950: '#000000',
  },
}

SCSS

$custom: #1f445f;
$custom-light: #62778c;
$custom-dark: #000000;

JSON

{
  "hex": "#1f445f",
  "rgb": {
    "r": 31,
    "g": 68,
    "b": 95
  },
  "hsl": {
    "h": 205.313,
    "s": 50.794,
    "l": 24.706
  },
  "oklch": {
    "l": 0.37261,
    "c": 0.06298,
    "h": 242.7
  },
  "luminance": 0.05252
}

Semantic roles & 50–950 ramp

primary

#1F445F

secondary

#946746

accent

#894EDA

background

#F6F7F8

surface

#EBEDF0

border

#C6C8CB

text

#05080C

muted

#7A7B7D

Preview Lab

Preview with #1F445F

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

Preview Lab → · Contrast checker → · Palette generator →