#1B2E89#1B2E89

#1B2E89 is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.3% C 0.152 H 268.0°. Best body text is #FFFFFF at 11.68:1 contrast (WCAG AA passes).

Color values

HEX	#1B2E89
RGB	rgb(27, 46, 137)
HSL	hsl(230, 67%, 32%)
HSV	hsv(230, 80%, 54%)
CMYK	cmyk(80.3%, 66.4%, 0%, 46.3%)
CIE-LAB	lab(23.65, 27.56, -52.66)
CIE-LCH	lch(23.65, 59.43, 297.63°)
OKLab	oklab(35.26% -0.0053 -0.1524)
OKLCH	oklch(35.26% 0.152 268)
XYZ	xyz(5.9428, 3.9925, 24.1195)
Luminance	0.0399 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B2E89 #89761B

analogous

#1B6589 #1B2E89 #3F1B89

triadic

#1B2E89 #891B2E #2E891B

tetradic

#1B2E89 #891B65 #89761B #1B893F

square

#1B2E89 #891B65 #89761B #1B893F

split-complementary

#1B2E89 #893F1B #65891B

monochromatic

#070C23 #111D56 #1B2E89 #253FBC #445EDA

Accessibility & contrast

On white

11.68

#1B2E89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#1B2E89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B2E89

11.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B2E89	#FFFFFF	#000000	##FFFFFF
##1B2E89	1.00	11.68	1.80	11.68
#FFFFFF	11.68	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E8C

Deuteranopia (green-blind)

#003387

Tritanopia (blue-blind)

#004657

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #1b2e89;
/* rgb */ color: rgb(27, 46, 137);
/* oklch */ color: oklch(35.3% 0.152 268.0);

Tailwind

colors: {
  custom: {
    50: '#6b66ac',
    500: '#1b2e89',
    950: '#000000',
  },
}

SCSS

$custom: #1b2e89;
$custom-light: #6b66ac;
$custom-dark: #000000;

JSON

{
  "hex": "#1b2e89",
  "rgb": {
    "r": 27,
    "g": 46,
    "b": 137
  },
  "hsl": {
    "h": 229.636,
    "s": 67.073,
    "l": 32.157
  },
  "oklch": {
    "l": 0.35259,
    "c": 0.15248,
    "h": 268
  },
  "luminance": 0.03993
}

Semantic roles & 50–950 ramp

primary

#1B2E89

secondary

#BCA744

accent

#CC3EEA

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #1B2E89

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

Preview Lab → · Contrast checker → · Palette generator →