#1B5084#1B5084

#1B5084 is a dark, moderate cyan. Relative luminance 0.076; OKLCH L 42.4% C 0.103 H 251.3°. Best body text is #FFFFFF at 8.31:1 contrast (WCAG AA passes).

Color values

HEX	#1B5084
RGB	rgb(27, 80, 132)
HSL	hsl(210, 66%, 31%)
HSV	hsv(210, 80%, 52%)
CMYK	cmyk(79.5%, 39.4%, 0%, 48.2%)
CIE-LAB	lab(33.21, 2.19, -34.10)
CIE-LCH	lch(33.21, 34.17, 273.67°)
OKLab	oklab(42.43% -0.0329 -0.0973)
OKLCH	oklch(42.43% 0.103 251.3)
XYZ	xyz(7.4839, 7.6354, 22.9047)
Luminance	0.0764 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5084 #844F1B

analogous

#1B8483 #1B5084 #1B1B84

triadic

#1B5084 #841B50 #50841B

tetradic

#1B5084 #831B84 #844F1B #1B841B

square

#1B5084 #831B84 #844F1B #1B841B

split-complementary

#1B5084 #841B1B #84831B

monochromatic

#06121E #113151 #1B5084 #256FB7 #418DD8

Accessibility & contrast

On white

8.31

#1B5084 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#1B5084 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5084

8.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5084	#FFFFFF	#000000	##FFFFFF
##1B5084	1.00	8.31	2.53	8.31
#FFFFFF	8.31	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#375386

Deuteranopia (green-blind)

#274A83

Tritanopia (blue-blind)

#005C63

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #1b5084;
/* rgb */ color: rgb(27, 80, 132);
/* oklch */ color: oklch(42.4% 0.103 251.3);

Tailwind

colors: {
  custom: {
    50: '#6880a8',
    500: '#1b5084',
    950: '#000000',
  },
}

SCSS

$custom: #1b5084;
$custom-light: #6880a8;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5084",
  "rgb": {
    "r": 27,
    "g": 80,
    "b": 132
  },
  "hsl": {
    "h": 209.714,
    "s": 66.038,
    "l": 31.176
  },
  "oklch": {
    "l": 0.42425,
    "c": 0.10268,
    "h": 251.3
  },
  "luminance": 0.07636
}

Semantic roles & 50–950 ramp

primary

#1B5084

secondary

#B77D43

accent

#933FE9

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #1B5084

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

Preview Lab → · Contrast checker → · Palette generator →