#1B519A#1B519A

#1B519A is a dark, vivid cyan. Relative luminance 0.085; OKLCH L 44.2% C 0.132 H 257.4°. Best body text is #FFFFFF at 7.81:1 contrast (WCAG AA passes).

Color values

HEX	#1B519A
RGB	rgb(27, 81, 154)
HSL	hsl(214, 70%, 35%)
HSV	hsv(214, 82%, 60%)
CMYK	cmyk(82.5%, 47.4%, 0%, 39.6%)
CIE-LAB	lab(34.90, 10.37, -44.81)
CIE-LCH	lch(34.90, 45.99, 283.03°)
OKLab	oklab(44.19% -0.0289 -0.1287)
OKLCH	oklch(44.19% 0.132 257.4)
XYZ	xyz(9.2250, 8.4498, 31.7104)
Luminance	0.0845 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B519A #9A641B

analogous

#1B909A #1B519A #241B9A

triadic

#1B519A #9A1B51 #519A1B

tetradic

#1B519A #9A1B90 #9A641B #1B9A24

square

#1B519A #9A1B90 #9A641B #1B9A24

split-complementary

#1B519A #9A241B #909A1B

monochromatic

#091A32 #123666 #1B519A #246CCE #4F8DE0

Accessibility & contrast

On white

7.81

#1B519A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#1B519A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B519A

7.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B519A	#FFFFFF	#000000	##FFFFFF
##1B519A	1.00	7.81	2.69	7.81
#FFFFFF	7.81	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#29589D

Deuteranopia (green-blind)

#044D99

Tritanopia (blue-blind)

#00626E

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #1b519a;
/* rgb */ color: rgb(27, 81, 154);
/* oklch */ color: oklch(44.2% 0.132 257.4);

Tailwind

colors: {
  custom: {
    50: '#6d81b8',
    500: '#1b519a',
    950: '#000000',
  },
}

SCSS

$custom: #1b519a;
$custom-light: #6d81b8;
$custom-dark: #000000;

JSON

{
  "hex": "#1b519a",
  "rgb": {
    "r": 27,
    "g": 81,
    "b": 154
  },
  "hsl": {
    "h": 214.488,
    "s": 70.166,
    "l": 35.49
  },
  "oklch": {
    "l": 0.44186,
    "c": 0.1319,
    "h": 257.4
  },
  "luminance": 0.08451
}

Semantic roles & 50–950 ramp

primary

#1B519A

secondary

#C3914E

accent

#A13BED

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080A11

muted

#7B7C80

Preview Lab

Preview with #1B519A

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

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