#1F4053#1F4053

#1F4053 is a dark, muted cyan. Relative luminance 0.046; OKLCH L 35.5% C 0.051 H 235.9°. Best body text is #FFFFFF at 10.96:1 contrast (WCAG AA passes).

Color values

HEX	#1F4053
RGB	rgb(31, 64, 83)
HSL	hsl(202, 46%, 22%)
HSV	hsv(202, 63%, 33%)
CMYK	cmyk(62.7%, 22.9%, 0%, 67.5%)
CIE-LAB	lab(25.51, -5.60, -15.09)
CIE-LCH	lch(25.51, 16.10, 249.65°)
OKLab	oklab(35.54% -0.0285 -0.0422)
OKLCH	oklch(35.54% 0.051 235.9)
XYZ	xyz(3.9592, 4.5823, 8.8578)
Luminance	0.0458 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4053 #53321F

analogous

#1F534C #1F4053 #1F2653

triadic

#1F4053 #531F40 #40531F

tetradic

#1F4053 #4C1F53 #53321F #26531F

square

#1F4053 #4C1F53 #53321F #26531F

split-complementary

#1F4053 #531F26 #534C1F

monochromatic

#081116 #0E1E26 #1F4053 #306280 #4085AC

Accessibility & contrast

On white

10.96

#1F4053 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#1F4053 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4053

10.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4053	#FFFFFF	#000000	##FFFFFF
##1F4053	1.00	10.96	1.92	10.96
#FFFFFF	10.96	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#373F54

Deuteranopia (green-blind)

#303A53

Tritanopia (blue-blind)

#004546

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #1f4053;
/* rgb */ color: rgb(31, 64, 83);
/* oklch */ color: oklch(35.5% 0.051 235.9);

Tailwind

colors: {
  custom: {
    50: '#607483',
    500: '#1f4053',
    950: '#000000',
  },
}

SCSS

$custom: #1f4053;
$custom-light: #607483;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4053",
  "rgb": {
    "r": 31,
    "g": 64,
    "b": 83
  },
  "hsl": {
    "h": 201.923,
    "s": 45.614,
    "l": 22.353
  },
  "oklch": {
    "l": 0.35541,
    "c": 0.05092,
    "h": 235.9
  },
  "luminance": 0.04583
}

Semantic roles & 50–950 ramp

primary

#1F4053

secondary

#885E46

accent

#8253D5

background

#F5F7F8

surface

#EAEDEF

border

#C6C8CA

text

#05080A

muted

#797B7C

Preview Lab

Preview with #1F4053

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

Preview Lab → · Contrast checker → · Palette generator →