#1E45B2#1E45B2

#1E45B2 is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.7% C 0.179 H 264.7°. Best body text is #FFFFFF at 8.24:1 contrast (WCAG AA passes).

Color values

HEX	#1E45B2
RGB	rgb(30, 69, 178)
HSL	hsl(224, 71%, 41%)
HSV	hsv(224, 83%, 70%)
CMYK	cmyk(83.1%, 61.2%, 0%, 30.2%)
CIE-LAB	lab(33.45, 28.27, -61.53)
CIE-LCH	lch(33.45, 67.71, 294.68°)
OKLab	oklab(43.68% -0.0165 -0.1781)
OKLCH	oklch(43.68% 0.179 264.7)
XYZ	xyz(10.6966, 7.7453, 43.0421)
Luminance	0.0775 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E45B2 #B28B1E

analogous

#1E8FB2 #1E45B2 #411EB2

triadic

#1E45B2 #B21E45 #45B21E

tetradic

#1E45B2 #B21E8F #B28B1E #1EB241

square

#1E45B2 #B21E8F #B28B1E #1EB241

split-complementary

#1E45B2 #B2411E #8FB21E

monochromatic

#0C1C49 #15317E #1E45B2 #315EDC #6587E5

Accessibility & contrast

On white

8.24

#1E45B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#1E45B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E45B2

8.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E45B2	#FFFFFF	#000000	##FFFFFF
##1E45B2	1.00	8.24	2.55	8.24
#FFFFFF	8.24	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056B6

Deuteranopia (green-blind)

#0048B0

Tritanopia (blue-blind)

#006175

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #1e45b2;
/* rgb */ color: rgb(30, 69, 178);
/* oklch */ color: oklch(43.7% 0.179 264.7);

Tailwind

colors: {
  custom: {
    50: '#7578ca',
    500: '#1e45b2',
    950: '#000000',
  },
}

SCSS

$custom: #1e45b2;
$custom-light: #7578ca;
$custom-dark: #000000;

JSON

{
  "hex": "#1e45b2",
  "rgb": {
    "r": 30,
    "g": 69,
    "b": 178
  },
  "hsl": {
    "h": 224.189,
    "s": 71.154,
    "l": 40.784
  },
  "oklch": {
    "l": 0.43681,
    "c": 0.17881,
    "h": 264.7
  },
  "luminance": 0.07747
}

Semantic roles & 50–950 ramp

primary

#1E45B2

secondary

#CAAF62

accent

#BE3AEE

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #1E45B2

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

Preview Lab → · Contrast checker → · Palette generator →