#1B516F#1B516F

#1B516F is a dark, moderate cyan. Relative luminance 0.073; OKLCH L 41.4% C 0.075 H 237.1°. Best body text is #FFFFFF at 8.56:1 contrast (WCAG AA passes).

Color values

HEX	#1B516F
RGB	rgb(27, 81, 111)
HSL	hsl(201, 61%, 27%)
HSV	hsv(201, 76%, 44%)
CMYK	cmyk(75.7%, 27%, 0%, 56.5%)
CIE-LAB	lab(32.40, -6.68, -22.32)
CIE-LCH	lch(32.40, 23.30, 253.33°)
OKLab	oklab(41.42% -0.0407 -0.0629)
OKLCH	oklch(41.42% 0.075 237.1)
XYZ	xyz(6.2625, 7.2649, 16.1080)
Luminance	0.0727 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B516F #6F391B

analogous

#1B6F63 #1B516F #1B276F

triadic

#1B516F #6F1B51 #516F1B

tetradic

#1B516F #631B6F #6F391B #276F1B

square

#1B516F #631B6F #6F391B #276F1B

split-complementary

#1B516F #6F1B27 #6F631B

monochromatic

#061219 #0F2D3E #1B516F #2775A0 #3698CE

Accessibility & contrast

On white

8.56

#1B516F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#1B516F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B516F

8.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B516F	#FFFFFF	#000000	##FFFFFF
##1B516F	1.00	8.56	2.45	8.56
#FFFFFF	8.56	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#435170

Deuteranopia (green-blind)

#37496E

Tritanopia (blue-blind)

#00595B

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #1b516f;
/* rgb */ color: rgb(27, 81, 111);
/* oklch */ color: oklch(41.4% 0.075 237.1);

Tailwind

colors: {
  custom: {
    50: '#648198',
    500: '#1b516f',
    950: '#000000',
  },
}

SCSS

$custom: #1b516f;
$custom-light: #648198;
$custom-dark: #000000;

JSON

{
  "hex": "#1b516f",
  "rgb": {
    "r": 27,
    "g": 81,
    "b": 111
  },
  "hsl": {
    "h": 201.429,
    "s": 60.87,
    "l": 27.059
  },
  "oklch": {
    "l": 0.41416,
    "c": 0.07492,
    "h": 237.1
  },
  "luminance": 0.07266
}

Semantic roles & 50–950 ramp

primary

#1B516F

secondary

#A46542

accent

#7D44E4

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#060A0D

muted

#7A7C7E

Preview Lab

Preview with #1B516F

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

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