#1B1E7D#1B1E7D

#1B1E7D is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.2% C 0.155 H 271.7°. Best body text is #FFFFFF at 13.74:1 contrast (WCAG AA passes).

Color values

HEX	#1B1E7D
RGB	rgb(27, 30, 125)
HSL	hsl(238, 64%, 30%)
HSV	hsv(238, 78%, 49%)
CMYK	cmyk(78.4%, 76%, 0%, 51%)
CIE-LAB	lab(18.55, 33.52, -53.49)
CIE-LCH	lch(18.55, 63.12, 302.08°)
OKLab	oklab(31.2% 0.0046 -0.1548)
OKLCH	oklch(31.2% 0.155 271.7)
XYZ	xyz(4.6167, 2.6417, 19.6647)
Luminance	0.0264 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B1E7D #7D7A1B

analogous

#1B4F7D #1B1E7D #491B7D

triadic

#1B1E7D #7D1B1E #1E7D1B

tetradic

#1B1E7D #7D1B4F #7D7A1B #1B7D49

square

#1B1E7D #7D1B4F #7D7A1B #1B7D49

split-complementary

#1B1E7D #7D491B #4F7D1B

monochromatic

#050619 #10124B #1B1E7D #262AAF #3D42D5

Accessibility & contrast

On white

13.74

#1B1E7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#1B1E7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B1E7D

13.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B1E7D	#FFFFFF	#000000	##FFFFFF
##1B1E7D	1.00	13.74	1.53	13.74
#FFFFFF	13.74	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003280

Deuteranopia (green-blind)

#00287B

Tritanopia (blue-blind)

#00394C

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #1b1e7d;
/* rgb */ color: rgb(27, 30, 125);
/* oklch */ color: oklch(31.2% 0.155 271.7);

Tailwind

colors: {
  custom: {
    50: '#6a5ba4',
    500: '#1b1e7d',
    950: '#000000',
  },
}

SCSS

$custom: #1b1e7d;
$custom-light: #6a5ba4;
$custom-dark: #000000;

JSON

{
  "hex": "#1b1e7d",
  "rgb": {
    "r": 27,
    "g": 30,
    "b": 125
  },
  "hsl": {
    "h": 238.163,
    "s": 64.474,
    "l": 29.804
  },
  "oklch": {
    "l": 0.31195,
    "c": 0.1549,
    "h": 271.7
  },
  "luminance": 0.02642
}

Semantic roles & 50–950 ramp

primary

#1B1E7D

secondary

#B1AE43

accent

#E240E7

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07040F

muted

#7A797F

Preview Lab

Preview with #1B1E7D

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

Preview Lab → · Contrast checker → · Palette generator →