#1B5482#1B5482

#1B5482 is a dark, moderate cyan. Relative luminance 0.082; OKLCH L 43.3% C 0.096 H 247.0°. Best body text is #FFFFFF at 7.96:1 contrast (WCAG AA passes).

Color values

HEX	#1B5482
RGB	rgb(27, 84, 130)
HSL	hsl(207, 66%, 31%)
HSV	hsv(207, 79%, 51%)
CMYK	cmyk(79.2%, 35.4%, 0%, 49%)
CIE-LAB	lab(34.36, -1.21, -31.04)
CIE-LCH	lch(34.36, 31.06, 267.77°)
OKLab	oklab(43.29% -0.0374 -0.0882)
OKLCH	oklch(43.29% 0.096 247)
XYZ	xyz(7.6500, 8.1845, 22.2913)
Luminance	0.0819 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5482 #82491B

analogous

#1B827C #1B5482 #1B2082

triadic

#1B5482 #821B54 #54821B

tetradic

#1B5482 #7C1B82 #82491B #20821B

square

#1B5482 #7C1B82 #82491B #20821B

split-complementary

#1B5482 #821B20 #827C1B

monochromatic

#06131D #10334F #1B5482 #2675B5 #4094D7

Accessibility & contrast

On white

7.96

#1B5482 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#1B5482 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5482

7.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5482	#FFFFFF	#000000	##FFFFFF
##1B5482	1.00	7.96	2.64	7.96
#FFFFFF	7.96	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F5684

Deuteranopia (green-blind)

#304D81

Tritanopia (blue-blind)

#005F65

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #1b5482;
/* rgb */ color: rgb(27, 84, 130);
/* oklch */ color: oklch(43.3% 0.096 247.0);

Tailwind

colors: {
  custom: {
    50: '#6883a6',
    500: '#1b5482',
    950: '#000000',
  },
}

SCSS

$custom: #1b5482;
$custom-light: #6883a6;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5482",
  "rgb": {
    "r": 27,
    "g": 84,
    "b": 130
  },
  "hsl": {
    "h": 206.796,
    "s": 65.605,
    "l": 30.784
  },
  "oklch": {
    "l": 0.43292,
    "c": 0.09582,
    "h": 247
  },
  "luminance": 0.08185
}

Semantic roles & 50–950 ramp

primary

#1B5482

secondary

#B67643

accent

#8B3FE9

background

#F6F8FA

surface

#EBEFF4

border

#C6CACE

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #1B5482

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

Preview Lab → · Contrast checker → · Palette generator →