#1B2E87#1B2E87

#1B2E87 is a dark, vivid blue. Relative luminance 0.039; OKLCH L 35.1% C 0.150 H 268.0°. Best body text is #FFFFFF at 11.75:1 contrast (WCAG AA passes).

Color values

HEX	#1B2E87
RGB	rgb(27, 46, 135)
HSL	hsl(229, 67%, 32%)
HSV	hsv(229, 80%, 53%)
CMYK	cmyk(80%, 65.9%, 0%, 47.1%)
CIE-LAB	lab(23.46, 26.78, -51.72)
CIE-LCH	lch(23.46, 58.24, 297.38°)
OKLab	oklab(35.06% -0.0052 -0.1496)
OKLCH	oklch(35.06% 0.15 268)
XYZ	xyz(5.8006, 3.9356, 23.3709)
Luminance	0.0394 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B2E87 #87741B

analogous

#1B6487 #1B2E87 #3E1B87

triadic

#1B2E87 #871B2E #2E871B

tetradic

#1B2E87 #871B64 #87741B #1B873E

square

#1B2E87 #871B64 #87741B #1B873E

split-complementary

#1B2E87 #873E1B #64871B

monochromatic

#070B21 #111D54 #1B2E87 #253FBA #435DD9

Accessibility & contrast

On white

11.75

#1B2E87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#1B2E87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B2E87

11.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B2E87	#FFFFFF	#000000	##FFFFFF
##1B2E87	1.00	11.75	1.79	11.75
#FFFFFF	11.75	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D8A

Deuteranopia (green-blind)

#003385

Tritanopia (blue-blind)

#004556

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #1b2e87;
/* rgb */ color: rgb(27, 46, 135);
/* oklch */ color: oklch(35.1% 0.150 268.0);

Tailwind

colors: {
  custom: {
    50: '#6b66ab',
    500: '#1b2e87',
    950: '#000000',
  },
}

SCSS

$custom: #1b2e87;
$custom-light: #6b66ab;
$custom-dark: #000000;

JSON

{
  "hex": "#1b2e87",
  "rgb": {
    "r": 27,
    "g": 46,
    "b": 135
  },
  "hsl": {
    "h": 229.444,
    "s": 66.667,
    "l": 31.765
  },
  "oklch": {
    "l": 0.35062,
    "c": 0.14973,
    "h": 268
  },
  "luminance": 0.03936
}

Semantic roles & 50–950 ramp

primary

#1B2E87

secondary

#BAA544

accent

#CB3EEA

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#080610

muted

#7A7A7F

Preview Lab

Preview with #1B2E87

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

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