#1B2176#1B2176

#1B2176 is a dark, vivid blue. Relative luminance 0.026; OKLCH L 30.9% C 0.142 H 271.6°. Best body text is #FFFFFF at 13.76:1 contrast (WCAG AA passes).

Color values

HEX	#1B2176
RGB	rgb(27, 33, 118)
HSL	hsl(236, 63%, 28%)
HSV	hsv(236, 77%, 46%)
CMYK	cmyk(77.1%, 72%, 0%, 53.7%)
CIE-LAB	lab(18.49, 29.01, -49.11)
CIE-LCH	lch(18.49, 57.04, 300.58°)
OKLab	oklab(30.93% 0.004 -0.1421)
OKLCH	oklch(30.93% 0.142 271.6)
XYZ	xyz(4.2648, 2.6283, 17.4186)
Luminance	0.0263 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B2176 #76701B

analogous

#1B4E76 #1B2176 #421B76

triadic

#1B2176 #761B21 #21761B

tetradic

#1B2176 #761B4E #76701B #1B7642

square

#1B2176 #761B4E #76701B #1B7642

split-complementary

#1B2176 #76421B #4E761B

monochromatic

#060719 #101344 #1B2176 #262FA8 #3A44D2

Accessibility & contrast

On white

13.76

#1B2176 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#1B2176 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B2176

13.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B2176	#FFFFFF	#000000	##FFFFFF
##1B2176	1.00	13.76	1.53	13.76
#FFFFFF	13.76	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003179

Deuteranopia (green-blind)

#002974

Tritanopia (blue-blind)

#003848

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #1b2176;
/* rgb */ color: rgb(27, 33, 118);
/* oklch */ color: oklch(30.9% 0.142 271.6);

Tailwind

colors: {
  custom: {
    50: '#675c9e',
    500: '#1b2176',
    950: '#000000',
  },
}

SCSS

$custom: #1b2176;
$custom-light: #675c9e;
$custom-dark: #000000;

JSON

{
  "hex": "#1b2176",
  "rgb": {
    "r": 27,
    "g": 33,
    "b": 118
  },
  "hsl": {
    "h": 236.044,
    "s": 62.759,
    "l": 28.431
  },
  "oklch": {
    "l": 0.30926,
    "c": 0.14214,
    "h": 271.6
  },
  "luminance": 0.02629
}

Semantic roles & 50–950 ramp

primary

#1B2176

secondary

#AAA442

accent

#DB42E6

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07040E

muted

#7A797E

Preview Lab

Preview with #1B2176

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

Preview Lab → · Contrast checker → · Palette generator →