#1B2A87#1B2A87

#1B2A87 is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.3% C 0.155 H 268.9°. Best body text is #FFFFFF at 12.16:1 contrast (WCAG AA passes).

Color values

HEX	#1B2A87
RGB	rgb(27, 42, 135)
HSL	hsl(232, 67%, 32%)
HSV	hsv(232, 80%, 53%)
CMYK	cmyk(80%, 68.9%, 0%, 47.1%)
CIE-LAB	lab(22.44, 29.49, -53.40)
CIE-LCH	lch(22.44, 61.00, 298.91°)
OKLab	oklab(34.31% -0.0029 -0.1546)
OKLCH	oklch(34.31% 0.155 268.9)
XYZ	xyz(5.6516, 3.6376, 23.3212)
Luminance	0.0364 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B2A87 #87781B

analogous

#1B6087 #1B2A87 #421B87

triadic

#1B2A87 #871B2A #2A871B

tetradic

#1B2A87 #871B60 #87781B #1B8742

square

#1B2A87 #871B60 #87781B #1B8742

split-complementary

#1B2A87 #87421B #60871B

monochromatic

#070A21 #111A54 #1B2A87 #253ABA #4358D9

Accessibility & contrast

On white

12.16

#1B2A87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#1B2A87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B2A87

12.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B2A87	#FFFFFF	#000000	##FFFFFF
##1B2A87	1.00	12.16	1.73	12.16
#FFFFFF	12.16	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B8A

Deuteranopia (green-blind)

#003085

Tritanopia (blue-blind)

#004354

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1b2a87;
/* rgb */ color: rgb(27, 42, 135);
/* oklch */ color: oklch(34.3% 0.155 268.9);

Tailwind

colors: {
  custom: {
    50: '#6b63ab',
    500: '#1b2a87',
    950: '#000000',
  },
}

SCSS

$custom: #1b2a87;
$custom-light: #6b63ab;
$custom-dark: #000000;

JSON

{
  "hex": "#1b2a87",
  "rgb": {
    "r": 27,
    "g": 42,
    "b": 135
  },
  "hsl": {
    "h": 231.667,
    "s": 66.667,
    "l": 31.765
  },
  "oklch": {
    "l": 0.34314,
    "c": 0.1546,
    "h": 268.9
  },
  "luminance": 0.03638
}

Semantic roles & 50–950 ramp

primary

#1B2A87

secondary

#BAAA44

accent

#D23EEA

background

#F7F5FA

surface

#EDEAF4

border

#C8C6CE

text

#080510

muted

#7B797F

Preview Lab

Preview with #1B2A87

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

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