#1B4989#1B4989

#1B4989 is a dark, moderate cyan. Relative luminance 0.068; OKLCH L 41.1% C 0.118 H 257.6°. Best body text is #FFFFFF at 8.90:1 contrast (WCAG AA passes).

Color values

HEX	#1B4989
RGB	rgb(27, 73, 137)
HSL	hsl(215, 67%, 32%)
HSV	hsv(215, 80%, 54%)
CMYK	cmyk(80.3%, 46.7%, 0%, 46.3%)
CIE-LAB	lab(31.36, 8.89, -40.15)
CIE-LCH	lch(31.36, 41.12, 282.48°)
OKLab	oklab(41.08% -0.0254 -0.1152)
OKLCH	oklch(41.08% 0.118 257.6)
XYZ	xyz(7.3482, 6.8034, 24.5880)
Luminance	0.0680 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4989 #895B1B

analogous

#1B8089 #1B4989 #241B89

triadic

#1B4989 #891B49 #49891B

tetradic

#1B4989 #891B80 #895B1B #1B8924

square

#1B4989 #891B80 #895B1B #1B8924

split-complementary

#1B4989 #89241B #80891B

monochromatic

#071323 #112E56 #1B4989 #2564BC #4483DA

Accessibility & contrast

On white

8.90

#1B4989 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#1B4989 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4989

8.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4989	#FFFFFF	#000000	##FFFFFF
##1B4989	1.00	8.90	2.36	8.90
#FFFFFF	8.90	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#274F8B

Deuteranopia (green-blind)

#0E4588

Tritanopia (blue-blind)

#005862

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #1b4989;
/* rgb */ color: rgb(27, 73, 137);
/* oklch */ color: oklch(41.1% 0.118 257.6);

Tailwind

colors: {
  custom: {
    50: '#697bac',
    500: '#1b4989',
    950: '#000000',
  },
}

SCSS

$custom: #1b4989;
$custom-light: #697bac;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4989",
  "rgb": {
    "r": 27,
    "g": 73,
    "b": 137
  },
  "hsl": {
    "h": 214.909,
    "s": 67.073,
    "l": 32.157
  },
  "oklch": {
    "l": 0.41082,
    "c": 0.11792,
    "h": 257.6
  },
  "luminance": 0.06804
}

Semantic roles & 50–950 ramp

primary

#1B4989

secondary

#BC8A44

accent

#A23EEA

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070910

muted

#7A7B7F

Preview Lab

Preview with #1B4989

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

Preview Lab → · Contrast checker → · Palette generator →