#1E3A91#1E3A91

#1E3A91 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.5% C 0.148 H 265.9°. Best body text is #FFFFFF at 10.15:1 contrast (WCAG AA passes).

Color values

HEX	#1E3A91
RGB	rgb(30, 58, 145)
HSL	hsl(225, 66%, 34%)
HSV	hsv(225, 79%, 57%)
CMYK	cmyk(79.3%, 60%, 0%, 43.1%)
CIE-LAB	lab(27.70, 22.79, -50.98)
CIE-LCH	lch(27.70, 55.85, 294.09°)
OKLab	oklab(38.52% -0.0104 -0.1473)
OKLCH	oklch(38.52% 0.148 265.9)
XYZ	xyz(7.1575, 5.3456, 27.4372)
Luminance	0.0535 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E3A91 #91751E

analogous

#1E7491 #1E3A91 #3C1E91

triadic

#1E3A91 #911E3A #3A911E

tetradic

#1E3A91 #911E74 #91751E #1E913C

square

#1E3A91 #911E74 #91751E #1E913C

split-complementary

#1E3A91 #913C1E #74911E

monochromatic

#09112C #14265E #1E3A91 #284EC4 #4F71DB

Accessibility & contrast

On white

10.15

#1E3A91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#1E3A91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E3A91

10.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E3A91	#FFFFFF	#000000	##FFFFFF
##1E3A91	1.00	10.15	2.07	10.15
#FFFFFF	10.15	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004794

Deuteranopia (green-blind)

#003C8F

Tritanopia (blue-blind)

#00505F

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #1e3a91;
/* rgb */ color: rgb(30, 58, 145);
/* oklch */ color: oklch(38.5% 0.148 265.9);

Tailwind

colors: {
  custom: {
    50: '#6d6fb2',
    500: '#1e3a91',
    950: '#000000',
  },
}

SCSS

$custom: #1e3a91;
$custom-light: #6d6fb2;
$custom-dark: #000000;

JSON

{
  "hex": "#1e3a91",
  "rgb": {
    "r": 30,
    "g": 58,
    "b": 145
  },
  "hsl": {
    "h": 225.391,
    "s": 65.714,
    "l": 34.314
  },
  "oklch": {
    "l": 0.3852,
    "c": 0.14765,
    "h": 265.9
  },
  "luminance": 0.05346
}

Semantic roles & 50–950 ramp

primary

#1E3A91

secondary

#BDA24D

accent

#BF3FE9

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #1E3A91

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

Preview Lab → · Contrast checker → · Palette generator →