#1E42BC#1E42BC

#1E42BC is a dark, vivid blue. Relative luminance 0.078; OKLCH L 44.0% C 0.195 H 265.6°. Best body text is #FFFFFF at 8.20:1 contrast (WCAG AA passes).

Color values

HEX	#1E42BC
RGB	rgb(30, 66, 188)
HSL	hsl(226, 72%, 43%)
HSV	hsv(226, 84%, 74%)
CMYK	cmyk(84%, 64.9%, 0%, 26.3%)
CIE-LAB	lab(33.57, 34.06, -67.24)
CIE-LCH	lch(33.57, 75.38, 296.86°)
OKLab	oklab(44.04% -0.015 -0.1948)
OKLCH	oklch(44.04% 0.195 265.6)
XYZ	xyz(11.5575, 7.8019, 48.4640)
Luminance	0.0780 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E42BC #BC981E

analogous

#1E91BC #1E42BC #491EBC

triadic

#1E42BC #BC1E42 #42BC1E

tetradic

#1E42BC #BC1E91 #BC981E #1EBC49

square

#1E42BC #BC1E91 #BC981E #1EBC49

split-complementary

#1E42BC #BC491E #91BC1E

monochromatic

#0D1D52 #162F87 #1E42BC #385EDF #6D89E8

Accessibility & contrast

On white

8.20

#1E42BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#1E42BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E42BC

8.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E42BC	#FFFFFF	#000000	##FFFFFF
##1E42BC	1.00	8.20	2.56	8.20
#FFFFFF	8.20	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057C0

Deuteranopia (green-blind)

#0048BA

Tritanopia (blue-blind)

#006379

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #1e42bc;
/* rgb */ color: rgb(30, 66, 188);
/* oklch */ color: oklch(44.0% 0.195 265.6);

Tailwind

colors: {
  custom: {
    50: '#7876d1',
    500: '#1e42bc',
    950: '#000000',
  },
}

SCSS

$custom: #1e42bc;
$custom-light: #7876d1;
$custom-dark: #000000;

JSON

{
  "hex": "#1e42bc",
  "rgb": {
    "r": 30,
    "g": 66,
    "b": 188
  },
  "hsl": {
    "h": 226.329,
    "s": 72.477,
    "l": 42.745
  },
  "oklch": {
    "l": 0.44041,
    "c": 0.19537,
    "h": 265.6
  },
  "luminance": 0.07803
}

Semantic roles & 50–950 ramp

primary

#1E42BC

secondary

#CEB768

accent

#C639EF

background

#F8F7FD

surface

#EFEDFA

border

#CAC8D3

text

#0B0814

muted

#7C7B83

Preview Lab

Preview with #1E42BC

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

Preview Lab → · Contrast checker → · Palette generator →