#1F415F#1F415F

#1F415F is a dark, moderate cyan. Relative luminance 0.049; OKLCH L 36.5% C 0.066 H 247.3°. Best body text is #FFFFFF at 10.61:1 contrast (WCAG AA passes).

Color values

HEX	#1F415F
RGB	rgb(31, 65, 95)
HSL	hsl(208, 51%, 25%)
HSV	hsv(208, 67%, 37%)
CMYK	cmyk(67.4%, 31.6%, 0%, 62.7%)
CIE-LAB	lab(26.44, -1.78, -21.45)
CIE-LCH	lch(26.44, 21.52, 265.24°)
OKLab	oklab(36.47% -0.0253 -0.0605)
OKLCH	oklch(36.47% 0.066 247.3)
XYZ	xyz(4.5202, 4.8977, 11.5314)
Luminance	0.0490 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F415F #5F3D1F

analogous

#1F5F5D #1F415F #1F215F

triadic

#1F415F #5F1F41 #415F1F

tetradic

#1F415F #5D1F5F #5F3D1F #215F1F

square

#1F415F #5D1F5F #5F3D1F #215F1F

split-complementary

#1F415F #5F1F21 #5F5D1F

monochromatic

#081017 #102131 #1F415F #2E618D #3D80BB

Accessibility & contrast

On white

10.61

#1F415F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#1F415F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F415F

10.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F415F	#FFFFFF	#000000	##FFFFFF
##1F415F	1.00	10.61	1.98	10.61
#FFFFFF	10.61	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#344260

Deuteranopia (green-blind)

#2B3C5E

Tritanopia (blue-blind)

#00484C

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #1f415f;
/* rgb */ color: rgb(31, 65, 95);
/* oklch */ color: oklch(36.5% 0.066 247.3);

Tailwind

colors: {
  custom: {
    50: '#62758c',
    500: '#1f415f',
    950: '#000000',
  },
}

SCSS

$custom: #1f415f;
$custom-light: #62758c;
$custom-dark: #000000;

JSON

{
  "hex": "#1f415f",
  "rgb": {
    "r": 31,
    "g": 65,
    "b": 95
  },
  "hsl": {
    "h": 208.125,
    "s": 50.794,
    "l": 24.706
  },
  "oklch": {
    "l": 0.36474,
    "c": 0.06556,
    "h": 247.3
  },
  "luminance": 0.04898
}

Semantic roles & 50–950 ramp

primary

#1F415F

secondary

#946A46

accent

#904EDA

background

#F6F7F8

surface

#EBEDF0

border

#C6C8CB

text

#05080C

muted

#7A7B7D

Preview Lab

Preview with #1F415F

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

Preview Lab → · Contrast checker → · Palette generator →