#2129BD#2129BD

#2129BD is a dark, highly saturated blue. Relative luminance 0.056; OKLCH L 40.3% C 0.222 H 269.0°. Best body text is #FFFFFF at 9.92:1 contrast (WCAG AA passes).

Color values

HEX	#2129BD
RGB	rgb(33, 41, 189)
HSL	hsl(237, 70%, 44%)
HSV	hsv(237, 83%, 74%)
CMYK	cmyk(82.5%, 78.3%, 0%, 25.9%)
CIE-LAB	lab(28.33, 49.60, -76.47)
CIE-LCH	lch(28.33, 91.14, 302.97°)
OKLab	oklab(40.33% -0.0039 -0.2215)
OKLCH	oklch(40.33% 0.222 269)
XYZ	xyz(10.6023, 5.5821, 48.6529)
Luminance	0.0558 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2129BD #BDB521

analogous

#2177BD #2129BD #6721BD

triadic

#2129BD #BD2129 #29BD21

tetradic

#2129BD #BD2177 #BDB521 #21BD67

square

#2129BD #BD2177 #BDB521 #21BD67

split-complementary

#2129BD #BD6721 #77BD21

monochromatic

#0F1255 #181E89 #2129BD #3E46DD #7278E6

Accessibility & contrast

On white

9.92

#2129BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#2129BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2129BD

9.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2129BD	#FFFFFF	#000000	##FFFFFF
##2129BD	1.00	9.92	2.12	9.92
#FFFFFF	9.92	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BC1

Deuteranopia (green-blind)

#003BBA

Tritanopia (blue-blind)

#005773

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2129bd;
/* rgb */ color: rgb(33, 41, 189);
/* oklch */ color: oklch(40.3% 0.222 269.0);

Tailwind

colors: {
  custom: {
    50: '#7b65d2',
    500: '#2129bd',
    950: '#000000',
  },
}

SCSS

$custom: #2129bd;
$custom-light: #7b65d2;
$custom-dark: #000000;

JSON

{
  "hex": "#2129bd",
  "rgb": {
    "r": 33,
    "g": 41,
    "b": 189
  },
  "hsl": {
    "h": 236.923,
    "s": 70.27,
    "l": 43.529
  },
  "oklch": {
    "l": 0.40331,
    "c": 0.22157,
    "h": 269
  },
  "luminance": 0.05583
}

Semantic roles & 50–950 ramp

primary

#2129BD

secondary

#CDC86D

accent

#E43BED

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0614

muted

#7D7A83

Preview Lab

Preview with #2129BD

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

Preview Lab → · Contrast checker → · Palette generator →