#1B2476#1B2476

#1B2476 is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.5% C 0.139 H 270.9°. Best body text is #FFFFFF at 13.46:1 contrast (WCAG AA passes).

Color values

HEX	#1B2476
RGB	rgb(27, 36, 118)
HSL	hsl(234, 63%, 28%)
HSV	hsv(234, 77%, 46%)
CMYK	cmyk(77.1%, 69.5%, 0%, 53.7%)
CIE-LAB	lab(19.23, 27.00, -47.88)
CIE-LCH	lch(19.23, 54.97, 299.42°)
OKLab	oklab(31.47% 0.0021 -0.1385)
OKLCH	oklch(31.47% 0.139 270.9)
XYZ	xyz(4.3518, 2.8023, 17.4476)
Luminance	0.0280 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B2476 #766D1B

analogous

#1B5176 #1B2476 #3F1B76

triadic

#1B2476 #761B24 #24761B

tetradic

#1B2476 #761B51 #766D1B #1B763F

square

#1B2476 #761B51 #766D1B #1B763F

split-complementary

#1B2476 #763F1B #51761B

monochromatic

#060819 #101544 #1B2476 #2633A8 #3A49D2

Accessibility & contrast

On white

13.46

#1B2476 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#1B2476 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B2476

13.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B2476	#FFFFFF	#000000	##FFFFFF
##1B2476	1.00	13.46	1.56	13.46
#FFFFFF	13.46	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003379

Deuteranopia (green-blind)

#002A74

Tritanopia (blue-blind)

#003A49

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1b2476;
/* rgb */ color: rgb(27, 36, 118);
/* oklch */ color: oklch(31.5% 0.139 270.9);

Tailwind

colors: {
  custom: {
    50: '#675f9e',
    500: '#1b2476',
    950: '#000000',
  },
}

SCSS

$custom: #1b2476;
$custom-light: #675f9e;
$custom-dark: #000000;

JSON

{
  "hex": "#1b2476",
  "rgb": {
    "r": 27,
    "g": 36,
    "b": 118
  },
  "hsl": {
    "h": 234.066,
    "s": 62.759,
    "l": 28.431
  },
  "oklch": {
    "l": 0.31467,
    "c": 0.13851,
    "h": 270.9
  },
  "luminance": 0.02803
}

Semantic roles & 50–950 ramp

primary

#1B2476

secondary

#AAA042

accent

#D642E6

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07040E

muted

#7A797E

Preview Lab

Preview with #1B2476

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

Preview Lab → · Contrast checker → · Palette generator →