#2130A4#2130A4

#2130A4 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.6% C 0.184 H 269.1°. Best body text is #FFFFFF at 10.38:1 contrast (WCAG AA passes).

Color values

HEX	#2130A4
RGB	rgb(33, 48, 164)
HSL	hsl(233, 66%, 39%)
HSV	hsv(233, 80%, 64%)
CMYK	cmyk(79.9%, 70.7%, 0%, 35.7%)
CIE-LAB	lab(27.06, 36.94, -63.61)
CIE-LCH	lch(27.06, 73.56, 300.14°)
OKLab	oklab(38.63% -0.0028 -0.1842)
OKLCH	oklch(38.63% 0.184 269.1)
XYZ	xyz(8.3827, 5.1166, 35.6606)
Luminance	0.0512 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2130A4 #A49521

analogous

#2171A4 #2130A4 #5321A4

triadic

#2130A4 #A42130 #30A421

tetradic

#2130A4 #A42171 #A49521 #21A453

square

#2130A4 #A42171 #A49521 #21A453

split-complementary

#2130A4 #A45321 #71A421

monochromatic

#0C123E #172171 #2130A4 #2D41D5 #606FDF

Accessibility & contrast

On white

10.38

#2130A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#2130A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2130A4

10.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2130A4	#FFFFFF	#000000	##FFFFFF
##2130A4	1.00	10.38	2.02	10.38
#FFFFFF	10.38	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046A8

Deuteranopia (green-blind)

#003AA2

Tritanopia (blue-blind)

#005066

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #2130a4;
/* rgb */ color: rgb(33, 48, 164);
/* oklch */ color: oklch(38.6% 0.184 269.1);

Tailwind

colors: {
  custom: {
    50: '#7469c0',
    500: '#2130a4',
    950: '#000000',
  },
}

SCSS

$custom: #2130a4;
$custom-light: #7469c0;
$custom-dark: #000000;

JSON

{
  "hex": "#2130a4",
  "rgb": {
    "r": 33,
    "g": 48,
    "b": 164
  },
  "hsl": {
    "h": 233.13,
    "s": 66.497,
    "l": 38.627
  },
  "oklch": {
    "l": 0.38629,
    "c": 0.18426,
    "h": 269.1
  },
  "luminance": 0.05118
}

Semantic roles & 50–950 ramp

primary

#2130A4

secondary

#C4B85D

accent

#D63EE9

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #2130A4

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

Preview Lab → · Contrast checker → · Palette generator →