#1E3E91#1E3E91

#1E3E91 is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.4% C 0.143 H 264.6°. Best body text is #FFFFFF at 9.75:1 contrast (WCAG AA passes).

Color values

HEX	#1E3E91
RGB	rgb(30, 62, 145)
HSL	hsl(223, 66%, 34%)
HSV	hsv(223, 79%, 57%)
CMYK	cmyk(79.3%, 57.2%, 0%, 43.1%)
CIE-LAB	lab(28.81, 20.03, -49.17)
CIE-LCH	lch(28.81, 53.10, 292.17°)
OKLab	oklab(39.36% -0.0133 -0.1419)
OKLCH	oklch(39.36% 0.143 264.6)
XYZ	xyz(7.3671, 5.7648, 27.5070)
Luminance	0.0577 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E3E91 #91711E

analogous

#1E7891 #1E3E91 #371E91

triadic

#1E3E91 #911E3E #3E911E

tetradic

#1E3E91 #911E78 #91711E #1E9137

square

#1E3E91 #911E78 #91711E #1E9137

split-complementary

#1E3E91 #91371E #78911E

monochromatic

#09132C #14285E #1E3E91 #2854C4 #4F76DB

Accessibility & contrast

On white

9.75

#1E3E91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#1E3E91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E3E91

9.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E3E91	#FFFFFF	#000000	##FFFFFF
##1E3E91	1.00	9.75	2.15	9.75
#FFFFFF	9.75	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004994

Deuteranopia (green-blind)

#003F8F

Tritanopia (blue-blind)

#005361

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #1e3e91;
/* rgb */ color: rgb(30, 62, 145);
/* oklch */ color: oklch(39.4% 0.143 264.6);

Tailwind

colors: {
  custom: {
    50: '#6d72b2',
    500: '#1e3e91',
    950: '#000000',
  },
}

SCSS

$custom: #1e3e91;
$custom-light: #6d72b2;
$custom-dark: #000000;

JSON

{
  "hex": "#1e3e91",
  "rgb": {
    "r": 30,
    "g": 62,
    "b": 145
  },
  "hsl": {
    "h": 223.304,
    "s": 65.714,
    "l": 34.314
  },
  "oklch": {
    "l": 0.39356,
    "c": 0.14251,
    "h": 264.6
  },
  "luminance": 0.05766
}

Semantic roles & 50–950 ramp

primary

#1E3E91

secondary

#BD9E4D

accent

#B93FE9

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1E3E91

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

Preview Lab → · Contrast checker → · Palette generator →