#1B5082#1B5082

#1B5082 is a dark, moderate cyan. Relative luminance 0.076; OKLCH L 42.3% C 0.100 H 250.4°. Best body text is #FFFFFF at 8.35:1 contrast (WCAG AA passes).

Color values

HEX	#1B5082
RGB	rgb(27, 80, 130)
HSL	hsl(209, 66%, 31%)
HSV	hsv(209, 79%, 51%)
CMYK	cmyk(79.2%, 38.5%, 0%, 49%)
CIE-LAB	lab(33.09, 1.39, -33.05)
CIE-LCH	lch(33.09, 33.08, 272.40°)
OKLab	oklab(42.3% -0.0335 -0.0942)
OKLCH	oklch(42.3% 0.1 250.4)
XYZ	xyz(7.3484, 7.5812, 22.1908)
Luminance	0.0758 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5082 #824D1B

analogous

#1B8280 #1B5082 #1B1D82

triadic

#1B5082 #821B50 #50821B

tetradic

#1B5082 #801B82 #824D1B #1D821B

square

#1B5082 #801B82 #824D1B #1D821B

split-complementary

#1B5082 #821B1D #82801B

monochromatic

#06121D #10314F #1B5082 #266FB5 #408ED7

Accessibility & contrast

On white

8.35

#1B5082 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#1B5082 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5082

8.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5082	#FFFFFF	#000000	##FFFFFF
##1B5082	1.00	8.35	2.52	8.35
#FFFFFF	8.35	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#395384

Deuteranopia (green-blind)

#294A81

Tritanopia (blue-blind)

#005C62

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #1b5082;
/* rgb */ color: rgb(27, 80, 130);
/* oklch */ color: oklch(42.3% 0.100 250.4);

Tailwind

colors: {
  custom: {
    50: '#6880a6',
    500: '#1b5082',
    950: '#000000',
  },
}

SCSS

$custom: #1b5082;
$custom-light: #6880a6;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5082",
  "rgb": {
    "r": 27,
    "g": 80,
    "b": 130
  },
  "hsl": {
    "h": 209.126,
    "s": 65.605,
    "l": 30.784
  },
  "oklch": {
    "l": 0.42295,
    "c": 0.09996,
    "h": 250.4
  },
  "luminance": 0.07582
}

Semantic roles & 50–950 ramp

primary

#1B5082

secondary

#B67B43

accent

#913FE9

background

#F6F7FA

surface

#EBEEF4

border

#C6C9CE

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #1B5082

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

Preview Lab → · Contrast checker → · Palette generator →