Ultramarine#2000B1

#2000B1 is a dark, highly saturated violet. Relative luminance 0.035; OKLCH L 35.5% C 0.231 H 270.6°. Best body text is #FFFFFF at 12.38:1 contrast (WCAG AA passes).

Ultramarine — editorial page

Color values

HEX	#2000B1
RGB	rgb(32, 0, 177)
HSL	hsl(251, 100%, 35%)
HSV	hsv(251, 100%, 69%)
CMYK	cmyk(81.9%, 100%, 0%, 30.6%)
CIE-LAB	lab(21.87, 60.60, -80.07)
CIE-LCH	lch(21.87, 100.42, 307.12°)
OKLab	oklab(35.46% 0.0025 -0.2311)
OKLCH	oklch(35.46% 0.231 270.6)
XYZ	xyz(8.5288, 3.4804, 41.8087)
Luminance	0.0348 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2000B1 #91B100

analogous

#0039B1 #2000B1 #7800B1

triadic

#2000B1 #B12000 #00B120

tetradic

#2000B1 #B10039 #91B100 #00B178

square

#2000B1 #B10039 #91B100 #00B178

split-complementary

#2000B1 #B17800 #39B100

monochromatic

#0A0037 #150074 #2000B1 #2B00EE #522CFF

Accessibility & contrast

On white

12.38

#2000B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#2000B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2000B1

12.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2000B1	#FFFFFF	#000000	##FFFFFF
##2000B1	1.00	12.38	1.70	12.38
#FFFFFF	12.38	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003CB5

Deuteranopia (green-blind)

#002CAE

Tritanopia (blue-blind)

#004766

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #2000b1;
/* rgb */ color: rgb(32, 0, 177);
/* oklch */ color: oklch(35.5% 0.231 270.6);

Tailwind

colors: {
  custom: {
    50: '#7b54ca',
    500: '#2000b1',
    950: '#000000',
  },
}

SCSS

$custom: #2000b1;
$custom-light: #7b54ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2000b1",
  "rgb": {
    "r": 32,
    "g": 0,
    "b": 177
  },
  "hsl": {
    "h": 250.847,
    "s": 100,
    "l": 34.706
  },
  "oklch": {
    "l": 0.35459,
    "c": 0.23112,
    "h": 270.6
  },
  "luminance": 0.03481
}

Semantic roles & 50–950 ramp

primary

#2000B1

secondary

#BCDB32

accent

#FF29D8

background

#F8F5FC

surface

#F0E9F9

border

#CBC5D2

text

#0C0313

muted

#7D7882

Preview Lab

Preview with #2000B1

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

Preview Lab → · Contrast checker → · Palette generator →