#1E2771#1E2771

#1E2771 is a dark, vivid blue. Relative luminance 0.029; OKLCH L 31.7% C 0.127 H 271.7°. Best body text is #FFFFFF at 13.26:1 contrast (WCAG AA passes).

Color values

HEX	#1E2771
RGB	rgb(30, 39, 113)
HSL	hsl(233, 58%, 28%)
HSV	hsv(233, 73%, 44%)
CMYK	cmyk(73.5%, 65.5%, 0%, 55.7%)
CIE-LAB	lab(19.72, 23.39, -43.87)
CIE-LCH	lch(19.72, 49.72, 298.06°)
OKLab	oklab(31.72% 0.0037 -0.1267)
OKLCH	oklch(31.72% 0.127 271.7)
XYZ	xyz(4.2406, 2.9189, 15.9595)
Luminance	0.0292 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E2771 #71681E

analogous

#1E5071 #1E2771 #3E1E71

triadic

#1E2771 #711E27 #27711E

tetradic

#1E2771 #711E50 #71681E #1E713E

square

#1E2771 #711E50 #71681E #1E713E

split-complementary

#1E2771 #713E1E #50711E

monochromatic

#060818 #111641 #1E2771 #2B38A1 #3E4DCC

Accessibility & contrast

On white

13.26

#1E2771 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#1E2771 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E2771

13.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E2771	#FFFFFF	#000000	##FFFFFF
##1E2771	1.00	13.26	1.58	13.26
#FFFFFF	13.26	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003473

Deuteranopia (green-blind)

#002C70

Tritanopia (blue-blind)

#003A48

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #1e2771;
/* rgb */ color: rgb(30, 39, 113);
/* oklch */ color: oklch(31.7% 0.127 271.7);

Tailwind

colors: {
  custom: {
    50: '#67619b',
    500: '#1e2771',
    950: '#000000',
  },
}

SCSS

$custom: #1e2771;
$custom-light: #67619b;
$custom-dark: #000000;

JSON

{
  "hex": "#1e2771",
  "rgb": {
    "r": 30,
    "g": 39,
    "b": 113
  },
  "hsl": {
    "h": 233.494,
    "s": 58.042,
    "l": 28.039
  },
  "oklch": {
    "l": 0.3172,
    "c": 0.1267,
    "h": 271.7
  },
  "luminance": 0.02919
}

Semantic roles & 50–950 ramp

primary

#1E2771

secondary

#A59B46

accent

#D047E1

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07050E

muted

#7A797E

Preview Lab

Preview with #1E2771

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

Preview Lab → · Contrast checker → · Palette generator →