#1B529A#1B529A

#1B529A is a dark, vivid cyan. Relative luminance 0.086; OKLCH L 44.4% C 0.131 H 256.9°. Best body text is #FFFFFF at 7.72:1 contrast (WCAG AA passes).

Color values

HEX	#1B529A
RGB	rgb(27, 82, 154)
HSL	hsl(214, 70%, 35%)
HSV	hsv(214, 82%, 60%)
CMYK	cmyk(82.5%, 46.8%, 0%, 39.6%)
CIE-LAB	lab(35.20, 9.70, -44.33)
CIE-LCH	lch(35.20, 45.38, 282.35°)
OKLab	oklab(44.42% -0.0297 -0.1273)
OKLCH	oklch(44.42% 0.131 256.9)
XYZ	xyz(9.2999, 8.5996, 31.7353)
Luminance	0.0860 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B529A #9A631B

analogous

#1B919A #1B529A #241B9A

triadic

#1B529A #9A1B52 #529A1B

tetradic

#1B529A #9A1B91 #9A631B #1B9A24

square

#1B529A #9A1B91 #9A631B #1B9A24

split-complementary

#1B529A #9A241B #919A1B

monochromatic

#091B32 #123666 #1B529A #246ECE #4F8EE0

Accessibility & contrast

On white

7.72

#1B529A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#1B529A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B529A

7.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B529A	#FFFFFF	#000000	##FFFFFF
##1B529A	1.00	7.72	2.72	7.72
#FFFFFF	7.72	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B599D

Deuteranopia (green-blind)

#0A4D99

Tritanopia (blue-blind)

#00636E

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #1b529a;
/* rgb */ color: rgb(27, 82, 154);
/* oklch */ color: oklch(44.4% 0.131 256.9);

Tailwind

colors: {
  custom: {
    50: '#6d82b8',
    500: '#1b529a',
    950: '#000000',
  },
}

SCSS

$custom: #1b529a;
$custom-light: #6d82b8;
$custom-dark: #000000;

JSON

{
  "hex": "#1b529a",
  "rgb": {
    "r": 27,
    "g": 82,
    "b": 154
  },
  "hsl": {
    "h": 214.016,
    "s": 70.166,
    "l": 35.49
  },
  "oklch": {
    "l": 0.44417,
    "c": 0.13069,
    "h": 256.9
  },
  "luminance": 0.08601
}

Semantic roles & 50–950 ramp

primary

#1B529A

secondary

#C3904E

accent

#A03BED

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080A11

muted

#7B7C80

Preview Lab

Preview with #1B529A

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

Preview Lab → · Contrast checker → · Palette generator →