#1A5B83#1A5B83

#1A5B83 is a mid, moderate cyan. Relative luminance 0.093; OKLCH L 45.1% C 0.091 H 240.7°. Best body text is #FFFFFF at 7.32:1 contrast (WCAG AA passes).

Color values

HEX	#1A5B83
RGB	rgb(26, 91, 131)
HSL	hsl(203, 67%, 31%)
HSV	hsv(203, 80%, 51%)
CMYK	cmyk(80.2%, 30.5%, 0%, 48.6%)
CIE-LAB	lab(36.63, -5.36, -28.09)
CIE-LCH	lch(36.63, 28.59, 259.19°)
OKLab	oklab(45.09% -0.0445 -0.0795)
OKLCH	oklch(45.09% 0.091 240.7)
XYZ	xyz(8.2622, 9.3395, 22.8356)
Luminance	0.0934 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A5B83 #83421A

analogous

#1A8376 #1A5B83 #1A2683

triadic

#1A5B83 #831A5B #5B831A

tetradic

#1A5B83 #761A83 #83421A #26831A

square

#1A5B83 #761A83 #83421A #26831A

split-complementary

#1A5B83 #831A26 #83761A

monochromatic

#06141D #103850 #1A5B83 #247EB6 #3F9ED9

Accessibility & contrast

On white

7.32

#1A5B83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#1A5B83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A5B83

7.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A5B83	#FFFFFF	#000000	##FFFFFF
##1A5B83	1.00	7.32	2.87	7.32
#FFFFFF	7.32	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#485C85

Deuteranopia (green-blind)

#3A5282

Tritanopia (blue-blind)

#006569

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #1a5b83;
/* rgb */ color: rgb(26, 91, 131);
/* oklch */ color: oklch(45.1% 0.091 240.7);

Tailwind

colors: {
  custom: {
    50: '#6889a7',
    500: '#1a5b83',
    950: '#000000',
  },
}

SCSS

$custom: #1a5b83;
$custom-light: #6889a7;
$custom-dark: #000000;

JSON

{
  "hex": "#1a5b83",
  "rgb": {
    "r": 26,
    "g": 91,
    "b": 131
  },
  "hsl": {
    "h": 202.857,
    "s": 66.879,
    "l": 30.784
  },
  "oklch": {
    "l": 0.45091,
    "c": 0.09114,
    "h": 240.7
  },
  "luminance": 0.0934
}

Semantic roles & 50–950 ramp

primary

#1A5B83

secondary

#B76F42

accent

#7F3EEA

background

#F6F8FA

surface

#EBF0F4

border

#C6CBCE

text

#070B0F

muted

#7A7C7F

Preview Lab

Preview with #1A5B83

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

Preview Lab → · Contrast checker → · Palette generator →