#1B529E#1B529E

#1B529E is a dark, vivid cyan. Relative luminance 0.087; OKLCH L 44.7% C 0.136 H 257.7°. Best body text is #FFFFFF at 7.64:1 contrast (WCAG AA passes).

Color values

HEX	#1B529E
RGB	rgb(27, 82, 158)
HSL	hsl(215, 71%, 36%)
HSV	hsv(215, 83%, 62%)
CMYK	cmyk(82.9%, 48.1%, 0%, 38%)
CIE-LAB	lab(35.47, 11.32, -46.30)
CIE-LCH	lch(35.47, 47.67, 283.73°)
OKLab	oklab(44.71% -0.029 -0.1331)
OKLCH	oklch(44.71% 0.136 257.7)
XYZ	xyz(9.6386, 8.7350, 33.5192)
Luminance	0.0874 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B529E #9E671B

analogous

#1B949E #1B529E #261B9E

triadic

#1B529E #9E1B52 #529E1B

tetradic

#1B529E #9E1B94 #9E671B #1B9E26

square

#1B529E #9E1B94 #9E671B #1B9E26

split-complementary

#1B529E #9E261B #949E1B

monochromatic

#091C35 #12376A #1B529E #246DD2 #528EE1

Accessibility & contrast

On white

7.64

#1B529E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#1B529E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B529E

7.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B529E	#FFFFFF	#000000	##FFFFFF
##1B529E	1.00	7.64	2.75	7.64
#FFFFFF	7.64	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#275AA1

Deuteranopia (green-blind)

#004E9C

Tritanopia (blue-blind)

#006470

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #1b529e;
/* rgb */ color: rgb(27, 82, 158);
/* oklch */ color: oklch(44.7% 0.136 257.7);

Tailwind

colors: {
  custom: {
    50: '#6e82bb',
    500: '#1b529e',
    950: '#000000',
  },
}

SCSS

$custom: #1b529e;
$custom-light: #6e82bb;
$custom-dark: #000000;

JSON

{
  "hex": "#1b529e",
  "rgb": {
    "r": 27,
    "g": 82,
    "b": 158
  },
  "hsl": {
    "h": 214.809,
    "s": 70.811,
    "l": 36.275
  },
  "oklch": {
    "l": 0.44709,
    "c": 0.13621,
    "h": 257.7
  },
  "luminance": 0.08736
}

Semantic roles & 50–950 ramp

primary

#1B529E

secondary

#C49451

accent

#A23AEE

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080A12

muted

#7B7C81

Preview Lab

Preview with #1B529E

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

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