#1B2E85#1B2E85

#1B2E85 is a dark, vivid blue. Relative luminance 0.039; OKLCH L 34.9% C 0.147 H 268.0°. Best body text is #FFFFFF at 11.82:1 contrast (WCAG AA passes).

Color values

HEX	#1B2E85
RGB	rgb(27, 46, 133)
HSL	hsl(229, 66%, 31%)
HSV	hsv(229, 80%, 52%)
CMYK	cmyk(79.7%, 65.4%, 0%, 47.8%)
CIE-LAB	lab(23.27, 26.00, -50.77)
CIE-LCH	lch(23.27, 57.04, 297.12°)
OKLab	oklab(34.87% -0.0051 -0.1469)
OKLCH	oklch(34.87% 0.147 268)
XYZ	xyz(5.6612, 3.8798, 22.6363)
Luminance	0.0388 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B2E85 #85721B

analogous

#1B6385 #1B2E85 #3D1B85

triadic

#1B2E85 #851B2E #2E851B

tetradic

#1B2E85 #851B63 #85721B #1B853D

square

#1B2E85 #851B63 #85721B #1B853D

split-complementary

#1B2E85 #853D1B #63851B

monochromatic

#060B1F #111C52 #1B2E85 #2540B8 #425DD9

Accessibility & contrast

On white

11.82

#1B2E85 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#1B2E85 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B2E85

11.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B2E85	#FFFFFF	#000000	##FFFFFF
##1B2E85	1.00	11.82	1.78	11.82
#FFFFFF	11.82	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D88

Deuteranopia (green-blind)

#003383

Tritanopia (blue-blind)

#004555

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #1b2e85;
/* rgb */ color: rgb(27, 46, 133);
/* oklch */ color: oklch(34.9% 0.147 268.0);

Tailwind

colors: {
  custom: {
    50: '#6a66a9',
    500: '#1b2e85',
    950: '#000000',
  },
}

SCSS

$custom: #1b2e85;
$custom-light: #6a66a9;
$custom-dark: #000000;

JSON

{
  "hex": "#1b2e85",
  "rgb": {
    "r": 27,
    "g": 46,
    "b": 133
  },
  "hsl": {
    "h": 229.245,
    "s": 66.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.34867,
    "c": 0.14696,
    "h": 268
  },
  "luminance": 0.0388
}

Semantic roles & 50–950 ramp

primary

#1B2E85

secondary

#B8A344

accent

#CB3FE9

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#080610

muted

#7A7A7F

Preview Lab

Preview with #1B2E85

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

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