#1A5583#1A5583

#1A5583 is a dark, moderate cyan. Relative luminance 0.084; OKLCH L 43.6% C 0.096 H 246.4°. Best body text is #FFFFFF at 7.86:1 contrast (WCAG AA passes).

Color values

HEX	#1A5583
RGB	rgb(26, 85, 131)
HSL	hsl(206, 67%, 31%)
HSV	hsv(206, 80%, 51%)
CMYK	cmyk(80.2%, 35.1%, 0%, 48.6%)
CIE-LAB	lab(34.71, -1.58, -31.11)
CIE-LCH	lch(34.71, 31.15, 267.09°)
OKLab	oklab(43.58% -0.0386 -0.0884)
OKLCH	oklch(43.58% 0.096 246.4)
XYZ	xyz(7.7697, 8.3544, 22.6714)
Luminance	0.0835 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A5583 #83481A

analogous

#1A837C #1A5583 #1A2083

triadic

#1A5583 #831A55 #55831A

tetradic

#1A5583 #7C1A83 #83481A #20831A

square

#1A5583 #7C1A83 #83481A #20831A

split-complementary

#1A5583 #831A20 #837C1A

monochromatic

#06131D #103450 #1A5583 #2476B6 #3F95D9

Accessibility & contrast

On white

7.86

#1A5583 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#1A5583 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A5583

7.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A5583	#FFFFFF	#000000	##FFFFFF
##1A5583	1.00	7.86	2.67	7.86
#FFFFFF	7.86	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#405785

Deuteranopia (green-blind)

#314D82

Tritanopia (blue-blind)

#006066

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #1a5583;
/* rgb */ color: rgb(26, 85, 131);
/* oklch */ color: oklch(43.6% 0.096 246.4);

Tailwind

colors: {
  custom: {
    50: '#6884a7',
    500: '#1a5583',
    950: '#000000',
  },
}

SCSS

$custom: #1a5583;
$custom-light: #6884a7;
$custom-dark: #000000;

JSON

{
  "hex": "#1a5583",
  "rgb": {
    "r": 26,
    "g": 85,
    "b": 131
  },
  "hsl": {
    "h": 206.286,
    "s": 66.879,
    "l": 30.784
  },
  "oklch": {
    "l": 0.43575,
    "c": 0.09649,
    "h": 246.4
  },
  "luminance": 0.08355
}

Semantic roles & 50–950 ramp

primary

#1A5583

secondary

#B77542

accent

#893EEA

background

#F6F8FA

surface

#EBEFF4

border

#C6CACE

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #1A5583

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

Preview Lab → · Contrast checker → · Palette generator →