#1B2676#1B2676

#1B2676 is a dark, vivid blue. Relative luminance 0.029; OKLCH L 31.8% C 0.136 H 270.3°. Best body text is #FFFFFF at 13.25:1 contrast (WCAG AA passes).

Color values

HEX	#1B2676
RGB	rgb(27, 38, 118)
HSL	hsl(233, 63%, 28%)
HSV	hsv(233, 77%, 46%)
CMYK	cmyk(77.1%, 67.8%, 0%, 53.7%)
CIE-LAB	lab(19.75, 25.63, -47.04)
CIE-LCH	lch(19.75, 53.57, 298.59°)
OKLab	oklab(31.84% 0.0008 -0.136)
OKLCH	oklch(31.84% 0.136 270.3)
XYZ	xyz(4.4140, 2.9268, 17.4683)
Luminance	0.0293 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B2676 #766B1B

analogous

#1B5376 #1B2676 #3D1B76

triadic

#1B2676 #761B26 #26761B

tetradic

#1B2676 #761B53 #766B1B #1B763D

square

#1B2676 #761B53 #766B1B #1B763D

split-complementary

#1B2676 #763D1B #53761B

monochromatic

#060819 #101644 #1B2676 #2636A8 #3A4CD2

Accessibility & contrast

On white

13.25

#1B2676 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#1B2676 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B2676

13.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B2676	#FFFFFF	#000000	##FFFFFF
##1B2676	1.00	13.25	1.59	13.25
#FFFFFF	13.25	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003479

Deuteranopia (green-blind)

#002C74

Tritanopia (blue-blind)

#003B4A

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #1b2676;
/* rgb */ color: rgb(27, 38, 118);
/* oklch */ color: oklch(31.8% 0.136 270.3);

Tailwind

colors: {
  custom: {
    50: '#67609e',
    500: '#1b2676',
    950: '#000000',
  },
}

SCSS

$custom: #1b2676;
$custom-light: #67609e;
$custom-dark: #000000;

JSON

{
  "hex": "#1b2676",
  "rgb": {
    "r": 27,
    "g": 38,
    "b": 118
  },
  "hsl": {
    "h": 232.747,
    "s": 62.759,
    "l": 28.431
  },
  "oklch": {
    "l": 0.31842,
    "c": 0.13601,
    "h": 270.3
  },
  "luminance": 0.02927
}

Semantic roles & 50–950 ramp

primary

#1B2676

secondary

#AA9E42

accent

#D242E6

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07050E

muted

#7A797E

Preview Lab

Preview with #1B2676

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

Preview Lab → · Contrast checker → · Palette generator →