#1E2571#1E2571

#1E2571 is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.3% C 0.129 H 272.3°. Best body text is #FFFFFF at 13.48:1 contrast (WCAG AA passes).

Color values

HEX	#1E2571
RGB	rgb(30, 37, 113)
HSL	hsl(235, 58%, 28%)
HSV	hsv(235, 73%, 44%)
CMYK	cmyk(73.5%, 67.3%, 0%, 55.7%)
CIE-LAB	lab(19.19, 24.77, -44.74)
CIE-LCH	lch(19.19, 51.14, 298.98°)
OKLab	oklab(31.33% 0.0053 -0.1292)
OKLCH	oklch(31.33% 0.129 272.3)
XYZ	xyz(4.1766, 2.7910, 15.9382)
Luminance	0.0279 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E2571 #716A1E

analogous

#1E4E71 #1E2571 #401E71

triadic

#1E2571 #711E25 #25711E

tetradic

#1E2571 #711E4E #716A1E #1E7140

square

#1E2571 #711E4E #716A1E #1E7140

split-complementary

#1E2571 #71401E #4E711E

monochromatic

#060818 #111541 #1E2571 #2B35A1 #3E4ACC

Accessibility & contrast

On white

13.48

#1E2571 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#1E2571 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E2571

13.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E2571	#FFFFFF	#000000	##FFFFFF
##1E2571	1.00	13.48	1.56	13.48
#FFFFFF	13.48	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003273

Deuteranopia (green-blind)

#002B70

Tritanopia (blue-blind)

#003947

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1e2571;
/* rgb */ color: rgb(30, 37, 113);
/* oklch */ color: oklch(31.3% 0.129 272.3);

Tailwind

colors: {
  custom: {
    50: '#675f9b',
    500: '#1e2571',
    950: '#000000',
  },
}

SCSS

$custom: #1e2571;
$custom-light: #675f9b;
$custom-dark: #000000;

JSON

{
  "hex": "#1e2571",
  "rgb": {
    "r": 30,
    "g": 37,
    "b": 113
  },
  "hsl": {
    "h": 234.94,
    "s": 58.042,
    "l": 28.039
  },
  "oklch": {
    "l": 0.31332,
    "c": 0.12931,
    "h": 272.3
  },
  "luminance": 0.02791
}

Semantic roles & 50–950 ramp

primary

#1E2571

secondary

#A59D46

accent

#D447E1

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07040E

muted

#7A797E

Preview Lab

Preview with #1E2571

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

Preview Lab → · Contrast checker → · Palette generator →