#1B298A#1B298A

#1B298A is a dark, vivid blue. Relative luminance 0.037; OKLCH L 34.4% C 0.160 H 269.1°. Best body text is #FFFFFF at 12.13:1 contrast (WCAG AA passes).

Color values

HEX	#1B298A
RGB	rgb(27, 41, 138)
HSL	hsl(232, 67%, 32%)
HSV	hsv(232, 80%, 54%)
CMYK	cmyk(80.4%, 70.3%, 0%, 45.9%)
CIE-LAB	lab(22.49, 31.29, -55.18)
CIE-LCH	lch(22.49, 63.44, 299.56°)
OKLab	oklab(34.45% -0.0026 -0.1598)
OKLCH	oklch(34.45% 0.16 269.1)
XYZ	xyz(5.8308, 3.6532, 24.4377)
Luminance	0.0365 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B298A #8A7C1B

analogous

#1B618A #1B298A #441B8A

triadic

#1B298A #8A1B29 #298A1B

tetradic

#1B298A #8A1B61 #8A7C1B #1B8A44

square

#1B298A #8A1B61 #8A7C1B #1B8A44

split-complementary

#1B298A #8A441B #618A1B

monochromatic

#070B24 #111A57 #1B298A #2538BD #4558DB

Accessibility & contrast

On white

12.13

#1B298A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#1B298A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B298A

12.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B298A	#FFFFFF	#000000	##FFFFFF
##1B298A	1.00	12.13	1.73	12.13
#FFFFFF	12.13	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B8D

Deuteranopia (green-blind)

#003088

Tritanopia (blue-blind)

#004456

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1b298a;
/* rgb */ color: rgb(27, 41, 138);
/* oklch */ color: oklch(34.4% 0.160 269.1);

Tailwind

colors: {
  custom: {
    50: '#6c63ad',
    500: '#1b298a',
    950: '#000000',
  },
}

SCSS

$custom: #1b298a;
$custom-light: #6c63ad;
$custom-dark: #000000;

JSON

{
  "hex": "#1b298a",
  "rgb": {
    "r": 27,
    "g": 41,
    "b": 138
  },
  "hsl": {
    "h": 232.432,
    "s": 67.273,
    "l": 32.353
  },
  "oklch": {
    "l": 0.34445,
    "c": 0.15981,
    "h": 269.1
  },
  "luminance": 0.03654
}

Semantic roles & 50–950 ramp

primary

#1B298A

secondary

#BCAD45

accent

#D43EEA

background

#F7F5FA

surface

#EDEAF4

border

#C8C6CE

text

#080510

muted

#7B797F

Preview Lab

Preview with #1B298A

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

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