#1B516E#1B516E

#1B516E is a dark, moderate cyan. Relative luminance 0.072; OKLCH L 41.4% C 0.074 H 236.2°. Best body text is #FFFFFF at 8.58:1 contrast (WCAG AA passes).

Color values

HEX	#1B516E
RGB	rgb(27, 81, 110)
HSL	hsl(201, 61%, 27%)
HSV	hsv(201, 75%, 43%)
CMYK	cmyk(75.5%, 26.4%, 0%, 56.9%)
CIE-LAB	lab(32.35, -7.06, -21.77)
CIE-LCH	lch(32.35, 22.89, 252.03°)
OKLab	oklab(41.36% -0.0411 -0.0613)
OKLCH	oklch(41.36% 0.074 236.2)
XYZ	xyz(6.2078, 7.2430, 15.8197)
Luminance	0.0724 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B516E #6E381B

analogous

#1B6E62 #1B516E #1B286E

triadic

#1B516E #6E1B51 #516E1B

tetradic

#1B516E #621B6E #6E381B #286E1B

square

#1B516E #621B6E #6E381B #286E1B

split-complementary

#1B516E #6E1B28 #6E621B

monochromatic

#061219 #0F2D3D #1B516E #27759F #3699CE

Accessibility & contrast

On white

8.58

#1B516E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#1B516E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B516E

8.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B516E	#FFFFFF	#000000	##FFFFFF
##1B516E	1.00	8.58	2.45	8.58
#FFFFFF	8.58	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#43516F

Deuteranopia (green-blind)

#38496E

Tritanopia (blue-blind)

#00595B

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #1b516e;
/* rgb */ color: rgb(27, 81, 110);
/* oklch */ color: oklch(41.4% 0.074 236.2);

Tailwind

colors: {
  custom: {
    50: '#648197',
    500: '#1b516e',
    950: '#000000',
  },
}

SCSS

$custom: #1b516e;
$custom-light: #648197;
$custom-dark: #000000;

JSON

{
  "hex": "#1b516e",
  "rgb": {
    "r": 27,
    "g": 81,
    "b": 110
  },
  "hsl": {
    "h": 200.964,
    "s": 60.584,
    "l": 26.863
  },
  "oklch": {
    "l": 0.41361,
    "c": 0.0738,
    "h": 236.2
  },
  "luminance": 0.07244
}

Semantic roles & 50–950 ramp

primary

#1B516E

secondary

#A36442

accent

#7C44E4

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#060A0D

muted

#7A7C7E

Preview Lab

Preview with #1B516E

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

Preview Lab → · Contrast checker → · Palette generator →