#1A539F#1A539F

#1A539F is a dark, vivid cyan. Relative luminance 0.089; OKLCH L 45.0% C 0.137 H 257.3°. Best body text is #FFFFFF at 7.55:1 contrast (WCAG AA passes).

Color values

HEX	#1A539F
RGB	rgb(26, 83, 159)
HSL	hsl(214, 72%, 36%)
HSV	hsv(214, 84%, 62%)
CMYK	cmyk(83.6%, 47.8%, 0%, 37.6%)
CIE-LAB	lab(35.81, 10.95, -46.36)
CIE-LCH	lch(35.81, 47.64, 283.29°)
OKLab	oklab(44.98% -0.0301 -0.1332)
OKLCH	oklch(44.98% 0.137 257.3)
XYZ	xyz(9.7750, 8.9081, 33.9984)
Luminance	0.0891 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A539F #9F661A

analogous

#1A969F #1A539F #241A9F

triadic

#1A539F #9F1A53 #539F1A

tetradic

#1A539F #9F1A96 #9F661A #1A9F24

square

#1A539F #9F1A96 #9F661A #1A9F24

split-complementary

#1A539F #9F241A #969F1A

monochromatic

#091C36 #11386A #1A539F #236ED4 #518FE3

Accessibility & contrast

On white

7.55

#1A539F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#1A539F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A539F

7.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A539F	#FFFFFF	#000000	##FFFFFF
##1A539F	1.00	7.55	2.78	7.55
#FFFFFF	7.55	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#285BA2

Deuteranopia (green-blind)

#004F9D

Tritanopia (blue-blind)

#006571

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #1a539f;
/* rgb */ color: rgb(26, 83, 159);
/* oklch */ color: oklch(45.0% 0.137 257.3);

Tailwind

colors: {
  custom: {
    50: '#6e82bc',
    500: '#1a539f',
    950: '#000000',
  },
}

SCSS

$custom: #1a539f;
$custom-light: #6e82bc;
$custom-dark: #000000;

JSON

{
  "hex": "#1a539f",
  "rgb": {
    "r": 26,
    "g": 83,
    "b": 159
  },
  "hsl": {
    "h": 214.286,
    "s": 71.892,
    "l": 36.275
  },
  "oklch": {
    "l": 0.44983,
    "c": 0.13661,
    "h": 257.3
  },
  "luminance": 0.08909
}

Semantic roles & 50–950 ramp

primary

#1A539F

secondary

#C59350

accent

#A139EF

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080A12

muted

#7B7C81

Preview Lab

Preview with #1A539F

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

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