#1E2871#1E2871

#1E2871 is a dark, vivid blue. Relative luminance 0.030; OKLCH L 31.9% C 0.125 H 271.3°. Best body text is #FFFFFF at 13.15:1 contrast (WCAG AA passes).

Color values

HEX	#1E2871
RGB	rgb(30, 40, 113)
HSL	hsl(233, 58%, 28%)
HSV	hsv(233, 73%, 44%)
CMYK	cmyk(73.5%, 64.6%, 0%, 55.7%)
CIE-LAB	lab(19.99, 22.69, -43.43)
CIE-LCH	lch(19.99, 49.00, 297.58°)
OKLab	oklab(31.92% 0.0029 -0.1253)
OKLCH	oklch(31.92% 0.125 271.3)
XYZ	xyz(4.2738, 2.9854, 15.9706)
Luminance	0.0299 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E2871 #71671E

analogous

#1E5171 #1E2871 #3D1E71

triadic

#1E2871 #711E28 #28711E

tetradic

#1E2871 #711E51 #71671E #1E713D

square

#1E2871 #711E51 #71671E #1E713D

split-complementary

#1E2871 #713D1E #51711E

monochromatic

#060918 #111741 #1E2871 #2B39A1 #3E4FCC

Accessibility & contrast

On white

13.15

#1E2871 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#1E2871 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E2871

13.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E2871	#FFFFFF	#000000	##FFFFFF
##1E2871	1.00	13.15	1.60	13.15
#FFFFFF	13.15	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003473

Deuteranopia (green-blind)

#002D70

Tritanopia (blue-blind)

#003B48

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #1e2871;
/* rgb */ color: rgb(30, 40, 113);
/* oklch */ color: oklch(31.9% 0.125 271.3);

Tailwind

colors: {
  custom: {
    50: '#66619a',
    500: '#1e2871',
    950: '#000000',
  },
}

SCSS

$custom: #1e2871;
$custom-light: #66619a;
$custom-dark: #000000;

JSON

{
  "hex": "#1e2871",
  "rgb": {
    "r": 30,
    "g": 40,
    "b": 113
  },
  "hsl": {
    "h": 232.771,
    "s": 58.042,
    "l": 28.039
  },
  "oklch": {
    "l": 0.31919,
    "c": 0.12538,
    "h": 271.3
  },
  "luminance": 0.02986
}

Semantic roles & 50–950 ramp

primary

#1E2871

secondary

#A59A46

accent

#CF47E1

background

#F6F5F9

surface

#EBEAF2

border

#C6C6CC

text

#07050E

muted

#7A797E

Preview Lab

Preview with #1E2871

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

Preview Lab → · Contrast checker → · Palette generator →