#1E41BC#1E41BC

#1E41BC is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.9% C 0.197 H 265.8°. Best body text is #FFFFFF at 8.28:1 contrast (WCAG AA passes).

Color values

HEX	#1E41BC
RGB	rgb(30, 65, 188)
HSL	hsl(227, 72%, 43%)
HSV	hsv(227, 84%, 74%)
CMYK	cmyk(84%, 65.4%, 0%, 26.3%)
CIE-LAB	lab(33.32, 34.71, -67.65)
CIE-LCH	lch(33.32, 76.03, 297.16°)
OKLab	oklab(43.86% -0.0145 -0.196)
OKLCH	oklch(43.86% 0.197 265.8)
XYZ	xyz(11.4996, 7.6860, 48.4447)
Luminance	0.0769 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E41BC #BC991E

analogous

#1E90BC #1E41BC #4A1EBC

triadic

#1E41BC #BC1E41 #41BC1E

tetradic

#1E41BC #BC1E90 #BC991E #1EBC4A

square

#1E41BC #BC1E90 #BC991E #1EBC4A

split-complementary

#1E41BC #BC4A1E #90BC1E

monochromatic

#0D1D52 #162F87 #1E41BC #385DDF #6D88E8

Accessibility & contrast

On white

8.28

#1E41BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#1E41BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E41BC

8.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E41BC	#FFFFFF	#000000	##FFFFFF
##1E41BC	1.00	8.28	2.54	8.28
#FFFFFF	8.28	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056C0

Deuteranopia (green-blind)

#0047BA

Tritanopia (blue-blind)

#006278

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #1e41bc;
/* rgb */ color: rgb(30, 65, 188);
/* oklch */ color: oklch(43.9% 0.197 265.8);

Tailwind

colors: {
  custom: {
    50: '#7875d1',
    500: '#1e41bc',
    950: '#000000',
  },
}

SCSS

$custom: #1e41bc;
$custom-light: #7875d1;
$custom-dark: #000000;

JSON

{
  "hex": "#1e41bc",
  "rgb": {
    "r": 30,
    "g": 65,
    "b": 188
  },
  "hsl": {
    "h": 226.709,
    "s": 72.477,
    "l": 42.745
  },
  "oklch": {
    "l": 0.4386,
    "c": 0.19654,
    "h": 265.8
  },
  "luminance": 0.07687
}

Semantic roles & 50–950 ramp

primary

#1E41BC

secondary

#CEB768

accent

#C739EF

background

#F8F7FD

surface

#EFEDFA

border

#CAC8D3

text

#0B0814

muted

#7C7B83

Preview Lab

Preview with #1E41BC

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

Preview Lab → · Contrast checker → · Palette generator →