#1F515E#1F515E

#1F515E is a dark, muted cyan. Relative luminance 0.070; OKLCH L 40.7% C 0.057 H 217.8°. Best body text is #FFFFFF at 8.76:1 contrast (WCAG AA passes).

Color values

HEX	#1F515E
RGB	rgb(31, 81, 94)
HSL	hsl(192, 50%, 25%)
HSV	hsv(192, 67%, 37%)
CMYK	cmyk(67%, 13.8%, 0%, 63.1%)
CIE-LAB	lab(31.77, -12.19, -12.57)
CIE-LCH	lch(31.77, 17.51, 225.87°)
OKLab	oklab(40.7% -0.0451 -0.0349)
OKLCH	oklch(40.7% 0.057 217.8)
XYZ	xyz(5.5271, 6.9837, 11.6442)
Luminance	0.0698 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F515E #5E2C1F

analogous

#1F5E4C #1F515E #1F325E

triadic

#1F515E #5E1F51 #515E1F

tetradic

#1F515E #4C1F5E #5E2C1F #325E1F

square

#1F515E #4C1F5E #5E2C1F #325E1F

split-complementary

#1F515E #5E1F32 #5E4C1F

monochromatic

#081417 #102930 #1F515E #2E798C #3DA0BA

Accessibility & contrast

On white

8.76

#1F515E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#1F515E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F515E

8.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F515E	#FFFFFF	#000000	##FFFFFF
##1F515E	1.00	8.76	2.40	8.76
#FFFFFF	8.76	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#494F5F

Deuteranopia (green-blind)

#3F485E

Tritanopia (blue-blind)

#005655

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #1f515e;
/* rgb */ color: rgb(31, 81, 94);
/* oklch */ color: oklch(40.7% 0.057 217.8);

Tailwind

colors: {
  custom: {
    50: '#63828b',
    500: '#1f515e',
    950: '#000000',
  },
}

SCSS

$custom: #1f515e;
$custom-light: #63828b;
$custom-dark: #000000;

JSON

{
  "hex": "#1f515e",
  "rgb": {
    "r": 31,
    "g": 81,
    "b": 94
  },
  "hsl": {
    "h": 192.381,
    "s": 50.4,
    "l": 24.51
  },
  "oklch": {
    "l": 0.40696,
    "c": 0.05708,
    "h": 217.8
  },
  "luminance": 0.06984
}

Semantic roles & 50–950 ramp

primary

#1F515E

secondary

#935646

accent

#6B4EDA

background

#F6F7F8

surface

#EBEEF0

border

#C6C9CB

text

#060A0C

muted

#7A7C7D

Preview Lab

Preview with #1F515E

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

Preview Lab → · Contrast checker → · Palette generator →