#1E3F91#1E3F91

#1E3F91 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 39.6% C 0.141 H 264.3°. Best body text is #FFFFFF at 9.66:1 contrast (WCAG AA passes).

Color values

HEX	#1E3F91
RGB	rgb(30, 63, 145)
HSL	hsl(223, 66%, 34%)
HSV	hsv(223, 79%, 57%)
CMYK	cmyk(79.3%, 56.6%, 0%, 43.1%)
CIE-LAB	lab(29.09, 19.34, -48.71)
CIE-LCH	lch(29.09, 52.41, 291.66°)
OKLab	oklab(39.57% -0.014 -0.1405)
OKLCH	oklch(39.57% 0.141 264.3)
XYZ	xyz(7.4219, 5.8745, 27.5253)
Luminance	0.0587 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E3F91 #91701E

analogous

#1E7991 #1E3F91 #371E91

triadic

#1E3F91 #911E3F #3F911E

tetradic

#1E3F91 #911E79 #91701E #1E9137

square

#1E3F91 #911E79 #91701E #1E9137

split-complementary

#1E3F91 #91371E #79911E

monochromatic

#09132C #14295E #1E3F91 #2855C4 #4F77DB

Accessibility & contrast

On white

9.66

#1E3F91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#1E3F91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E3F91

9.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E3F91	#FFFFFF	#000000	##FFFFFF
##1E3F91	1.00	9.66	2.17	9.66
#FFFFFF	9.66	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A94

Deuteranopia (green-blind)

#00408F

Tritanopia (blue-blind)

#005361

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #1e3f91;
/* rgb */ color: rgb(30, 63, 145);
/* oklch */ color: oklch(39.6% 0.141 264.3);

Tailwind

colors: {
  custom: {
    50: '#6d73b2',
    500: '#1e3f91',
    950: '#000000',
  },
}

SCSS

$custom: #1e3f91;
$custom-light: #6d73b2;
$custom-dark: #000000;

JSON

{
  "hex": "#1e3f91",
  "rgb": {
    "r": 30,
    "g": 63,
    "b": 145
  },
  "hsl": {
    "h": 222.783,
    "s": 65.714,
    "l": 34.314
  },
  "oklch": {
    "l": 0.39569,
    "c": 0.14122,
    "h": 264.3
  },
  "luminance": 0.05875
}

Semantic roles & 50–950 ramp

primary

#1E3F91

secondary

#BD9D4D

accent

#B83FE9

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1E3F91

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

Preview Lab → · Contrast checker → · Palette generator →