#1B528E#1B528E

#1B528E is a dark, moderate cyan. Relative luminance 0.082; OKLCH L 43.6% C 0.114 H 253.6°. Best body text is #FFFFFF at 7.94:1 contrast (WCAG AA passes).

Color values

HEX	#1B528E
RGB	rgb(27, 82, 142)
HSL	hsl(211, 68%, 33%)
HSV	hsv(211, 81%, 56%)
CMYK	cmyk(81%, 42.3%, 0%, 44.3%)
CIE-LAB	lab(34.44, 4.87, -38.28)
CIE-LCH	lch(34.44, 38.58, 277.26°)
OKLab	oklab(43.58% -0.0322 -0.1095)
OKLCH	oklch(43.58% 0.114 253.6)
XYZ	xyz(8.3499, 8.2196, 26.7324)
Luminance	0.0822 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B528E #8E571B

analogous

#1B8B8E #1B528E #1D1B8E

triadic

#1B528E #8E1B52 #528E1B

tetradic

#1B528E #8E1B8B #8E571B #1B8E1D

square

#1B528E #8E1B8B #8E571B #1B8E1D

split-complementary

#1B528E #8E1D1B #8B8E1B

monochromatic

#071727 #11345B #1B528E #2570C1 #478EDC

Accessibility & contrast

On white

7.94

#1B528E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#1B528E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B528E

7.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B528E	#FFFFFF	#000000	##FFFFFF
##1B528E	1.00	7.94	2.64	7.94
#FFFFFF	7.94	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#355790

Deuteranopia (green-blind)

#214C8D

Tritanopia (blue-blind)

#006069

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #1b528e;
/* rgb */ color: rgb(27, 82, 142);
/* oklch */ color: oklch(43.6% 0.114 253.6);

Tailwind

colors: {
  custom: {
    50: '#6a82af',
    500: '#1b528e',
    950: '#000000',
  },
}

SCSS

$custom: #1b528e;
$custom-light: #6a82af;
$custom-dark: #000000;

JSON

{
  "hex": "#1b528e",
  "rgb": {
    "r": 27,
    "g": 82,
    "b": 142
  },
  "hsl": {
    "h": 211.304,
    "s": 68.047,
    "l": 33.137
  },
  "oklch": {
    "l": 0.43576,
    "c": 0.11413,
    "h": 253.6
  },
  "luminance": 0.08221
}

Semantic roles & 50–950 ramp

primary

#1B528E

secondary

#BE8547

accent

#983DEB

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#080A10

muted

#7A7C7F

Preview Lab

Preview with #1B528E

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

Preview Lab → · Contrast checker → · Palette generator →