#1E1571#1E1571

#1E1571 is a dark, vivid blue. Relative luminance 0.020; OKLCH L 28.7% C 0.148 H 276.0°. Best body text is #FFFFFF at 14.99:1 contrast (WCAG AA passes).

Color values

HEX	#1E1571
RGB	rgb(30, 21, 113)
HSL	hsl(246, 69%, 26%)
HSV	hsv(246, 81%, 44%)
CMYK	cmyk(73.5%, 81.4%, 0%, 55.7%)
CIE-LAB	lab(15.51, 34.90, -50.79)
CIE-LCH	lch(15.51, 61.62, 304.50°)
OKLab	oklab(28.69% 0.0156 -0.1468)
OKLCH	oklch(28.69% 0.148 276)
XYZ	xyz(3.7832, 2.0043, 15.8071)
Luminance	0.0200 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E1571 #687115

analogous

#153A71 #1E1571 #4C1571

triadic

#1E1571 #711E15 #15711E

tetradic

#1E1571 #71153A #687115 #15714C

square

#1E1571 #71153A #687115 #15714C

split-complementary

#1E1571 #714C15 #3A7115

monochromatic

#07051A #100B3D #1E1571 #2C1FA5 #3A29D7

Accessibility & contrast

On white

14.99

#1E1571 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#1E1571 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E1571

14.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E1571	#FFFFFF	#000000	##FFFFFF
##1E1571	1.00	14.99	1.40	14.99
#FFFFFF	14.99	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	14.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B74

Deuteranopia (green-blind)

#00236F

Tritanopia (blue-blind)

#003143

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #1e1571;
/* rgb */ color: rgb(30, 21, 113);
/* oklch */ color: oklch(28.7% 0.148 276.0);

Tailwind

colors: {
  custom: {
    50: '#68559b',
    500: '#1e1571',
    950: '#000000',
  },
}

SCSS

$custom: #1e1571;
$custom-light: #68559b;
$custom-dark: #000000;

JSON

{
  "hex": "#1e1571",
  "rgb": {
    "r": 30,
    "g": 21,
    "b": 113
  },
  "hsl": {
    "h": 245.87,
    "s": 68.657,
    "l": 26.275
  },
  "oklch": {
    "l": 0.28695,
    "c": 0.14764,
    "h": 276
  },
  "luminance": 0.02005
}

Semantic roles & 50–950 ramp

primary

#1E1571

secondary

#9DA73B

accent

#EB3CDA

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #1E1571

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

Preview Lab → · Contrast checker → · Palette generator →