#1E43BC#1E43BC

#1E43BC is a dark, vivid blue. Relative luminance 0.079; OKLCH L 44.2% C 0.194 H 265.4°. Best body text is #FFFFFF at 8.13:1 contrast (WCAG AA passes).

Color values

HEX	#1E43BC
RGB	rgb(30, 67, 188)
HSL	hsl(226, 72%, 43%)
HSV	hsv(226, 84%, 74%)
CMYK	cmyk(84%, 64.4%, 0%, 26.3%)
CIE-LAB	lab(33.82, 33.41, -66.84)
CIE-LCH	lch(33.82, 74.72, 296.56°)
OKLab	oklab(44.22% -0.0154 -0.1936)
OKLCH	oklch(44.22% 0.194 265.4)
XYZ	xyz(11.6165, 7.9197, 48.4836)
Luminance	0.0792 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E43BC #BC971E

analogous

#1E92BC #1E43BC #481EBC

triadic

#1E43BC #BC1E43 #43BC1E

tetradic

#1E43BC #BC1E92 #BC971E #1EBC48

square

#1E43BC #BC1E92 #BC971E #1EBC48

split-complementary

#1E43BC #BC481E #92BC1E

monochromatic

#0D1D52 #163087 #1E43BC #385FDF #6D8AE8

Accessibility & contrast

On white

8.13

#1E43BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#1E43BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E43BC

8.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E43BC	#FFFFFF	#000000	##FFFFFF
##1E43BC	1.00	8.13	2.58	8.13
#FFFFFF	8.13	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057C0

Deuteranopia (green-blind)

#0048BA

Tritanopia (blue-blind)

#006379

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #1e43bc;
/* rgb */ color: rgb(30, 67, 188);
/* oklch */ color: oklch(44.2% 0.194 265.4);

Tailwind

colors: {
  custom: {
    50: '#7876d1',
    500: '#1e43bc',
    950: '#000000',
  },
}

SCSS

$custom: #1e43bc;
$custom-light: #7876d1;
$custom-dark: #000000;

JSON

{
  "hex": "#1e43bc",
  "rgb": {
    "r": 30,
    "g": 67,
    "b": 188
  },
  "hsl": {
    "h": 225.949,
    "s": 72.477,
    "l": 42.745
  },
  "oklch": {
    "l": 0.44225,
    "c": 0.19421,
    "h": 265.4
  },
  "luminance": 0.07921
}

Semantic roles & 50–950 ramp

primary

#1E43BC

secondary

#CEB668

accent

#C439EF

background

#F8F7FD

surface

#EFEDFA

border

#CAC8D3

text

#0B0814

muted

#7C7B83

Preview Lab

Preview with #1E43BC

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

Preview Lab → · Contrast checker → · Palette generator →