#1E2781#1E2781

#1E2781 is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.3% C 0.149 H 271.0°. Best body text is #FFFFFF at 12.63:1 contrast (WCAG AA passes).

Color values

HEX	#1E2781
RGB	rgb(30, 39, 129)
HSL	hsl(235, 62%, 31%)
HSV	hsv(235, 77%, 51%)
CMYK	cmyk(76.7%, 69.8%, 0%, 49.4%)
CIE-LAB	lab(21.25, 29.52, -51.56)
CIE-LCH	lch(21.25, 59.41, 299.79°)
OKLab	oklab(33.31% 0.0025 -0.1492)
OKLCH	oklch(33.31% 0.149 271)
XYZ	xyz(5.2220, 3.3115, 21.1286)
Luminance	0.0331 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E2781 #81781E

analogous

#1E5881 #1E2781 #461E81

triadic

#1E2781 #811E27 #27811E

tetradic

#1E2781 #811E58 #81781E #1E8146

square

#1E2781 #811E58 #81781E #1E8146

split-complementary

#1E2781 #81461E #58811E

monochromatic

#07091E #12184F #1E2781 #2A36B3 #4652D4

Accessibility & contrast

On white

12.63

#1E2781 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#1E2781 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E2781

12.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E2781	#FFFFFF	#000000	##FFFFFF
##1E2781	1.00	12.63	1.66	12.63
#FFFFFF	12.63	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003884

Deuteranopia (green-blind)

#002E7F

Tritanopia (blue-blind)

#003F50

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #1e2781;
/* rgb */ color: rgb(30, 39, 129);
/* oklch */ color: oklch(33.3% 0.149 271.0);

Tailwind

colors: {
  custom: {
    50: '#6b61a7',
    500: '#1e2781',
    950: '#000000',
  },
}

SCSS

$custom: #1e2781;
$custom-light: #6b61a7;
$custom-dark: #000000;

JSON

{
  "hex": "#1e2781",
  "rgb": {
    "r": 30,
    "g": 39,
    "b": 129
  },
  "hsl": {
    "h": 234.545,
    "s": 62.264,
    "l": 31.176
  },
  "oklch": {
    "l": 0.33313,
    "c": 0.14919,
    "h": 271
  },
  "luminance": 0.03312
}

Semantic roles & 50–950 ramp

primary

#1E2781

secondary

#B4AA47

accent

#D742E5

background

#F6F5FA

surface

#ECEAF4

border

#C7C6CE

text

#08050F

muted

#7A797F

Preview Lab

Preview with #1E2781

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

Preview Lab → · Contrast checker → · Palette generator →