#1B5089#1B5089

#1B5089 is a dark, moderate cyan. Relative luminance 0.078; OKLCH L 42.8% C 0.110 H 253.2°. Best body text is #FFFFFF at 8.22:1 contrast (WCAG AA passes).

Color values

HEX	#1B5089
RGB	rgb(27, 80, 137)
HSL	hsl(211, 67%, 32%)
HSV	hsv(211, 80%, 54%)
CMYK	cmyk(80.3%, 41.6%, 0%, 46.3%)
CIE-LAB	lab(33.51, 4.19, -36.70)
CIE-LCH	lch(33.51, 36.93, 276.51°)
OKLab	oklab(42.76% -0.0316 -0.1049)
OKLCH	oklch(42.76% 0.11 253.2)
XYZ	xyz(7.8343, 7.7755, 24.7500)
Luminance	0.0778 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5089 #89541B

analogous

#1B8789 #1B5089 #1D1B89

triadic

#1B5089 #891B50 #50891B

tetradic

#1B5089 #891B87 #89541B #1B891D

square

#1B5089 #891B87 #89541B #1B891D

split-complementary

#1B5089 #891D1B #87891B

monochromatic

#071423 #113256 #1B5089 #256EBC #448CDA

Accessibility & contrast

On white

8.22

#1B5089 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#1B5089 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5089

8.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5089	#FFFFFF	#000000	##FFFFFF
##1B5089	1.00	8.22	2.56	8.22
#FFFFFF	8.22	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#34548B

Deuteranopia (green-blind)

#224A88

Tritanopia (blue-blind)

#005E66

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #1b5089;
/* rgb */ color: rgb(27, 80, 137);
/* oklch */ color: oklch(42.8% 0.110 253.2);

Tailwind

colors: {
  custom: {
    50: '#6980ac',
    500: '#1b5089',
    950: '#000000',
  },
}

SCSS

$custom: #1b5089;
$custom-light: #6980ac;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5089",
  "rgb": {
    "r": 27,
    "g": 80,
    "b": 137
  },
  "hsl": {
    "h": 211.091,
    "s": 67.073,
    "l": 32.157
  },
  "oklch": {
    "l": 0.42756,
    "c": 0.10955,
    "h": 253.2
  },
  "luminance": 0.07776
}

Semantic roles & 50–950 ramp

primary

#1B5089

secondary

#BC8244

accent

#973EEA

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070A10

muted

#7A7C7F

Preview Lab

Preview with #1B5089

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

Preview Lab → · Contrast checker → · Palette generator →