#1F515D#1F515D

#1F515D is a dark, muted cyan. Relative luminance 0.070; OKLCH L 40.6% C 0.056 H 216.2°. Best body text is #FFFFFF at 8.77:1 contrast (WCAG AA passes).

Color values

HEX	#1F515D
RGB	rgb(31, 81, 93)
HSL	hsl(192, 50%, 24%)
HSV	hsv(192, 67%, 36%)
CMYK	cmyk(66.7%, 12.9%, 0%, 63.5%)
CIE-LAB	lab(31.73, -12.54, -12.00)
CIE-LCH	lch(31.73, 17.36, 223.74°)
OKLab	oklab(40.65% -0.0456 -0.0333)
OKLCH	oklch(40.65% 0.056 216.2)
XYZ	xyz(5.4825, 6.9659, 11.4094)
Luminance	0.0697 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F515D #5D2B1F

analogous

#1F5D4A #1F515D #1F325D

triadic

#1F515D #5D1F51 #515D1F

tetradic

#1F515D #4A1F5D #5D2B1F #325D1F

square

#1F515D #4A1F5D #5D2B1F #325D1F

split-complementary

#1F515D #5D1F32 #5D4A1F

monochromatic

#081417 #10292F #1F515D #2E798B #3EA1B9

Accessibility & contrast

On white

8.77

#1F515D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#1F515D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F515D

8.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F515D	#FFFFFF	#000000	##FFFFFF
##1F515D	1.00	8.77	2.39	8.77
#FFFFFF	8.77	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#494E5E

Deuteranopia (green-blind)

#40485D

Tritanopia (blue-blind)

#005555

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #1f515d;
/* rgb */ color: rgb(31, 81, 93);
/* oklch */ color: oklch(40.6% 0.056 216.2);

Tailwind

colors: {
  custom: {
    50: '#63828b',
    500: '#1f515d',
    950: '#000000',
  },
}

SCSS

$custom: #1f515d;
$custom-light: #63828b;
$custom-dark: #000000;

JSON

{
  "hex": "#1f515d",
  "rgb": {
    "r": 31,
    "g": 81,
    "b": 93
  },
  "hsl": {
    "h": 191.613,
    "s": 50,
    "l": 24.314
  },
  "oklch": {
    "l": 0.4065,
    "c": 0.05647,
    "h": 216.2
  },
  "luminance": 0.06966
}

Semantic roles & 50–950 ramp

primary

#1F515D

secondary

#925546

accent

#694EDA

background

#F6F7F8

surface

#EBEEF0

border

#C6C9CB

text

#060A0B

muted

#7A7C7C

Preview Lab

Preview with #1F515D

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

Preview Lab → · Contrast checker → · Palette generator →