#2123BE#2123BE

#2123BE is a dark, highly saturated blue. Relative luminance 0.052; OKLCH L 39.7% C 0.228 H 269.3°. Best body text is #FFFFFF at 10.25:1 contrast (WCAG AA passes).

Color values

HEX	#2123BE
RGB	rgb(33, 35, 190)
HSL	hsl(239, 70%, 44%)
HSV	hsv(239, 83%, 75%)
CMYK	cmyk(82.6%, 81.6%, 0%, 25.5%)
CIE-LAB	lab(27.41, 52.94, -78.58)
CIE-LCH	lch(27.41, 94.75, 303.96°)
OKLab	oklab(39.72% -0.0029 -0.2276)
OKLCH	oklch(39.72% 0.228 269.3)
XYZ	xyz(10.5193, 5.2418, 49.1626)
Luminance	0.0524 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2123BE #BEBC21

analogous

#2171BE #2123BE #6D21BE

triadic

#2123BE #BE2123 #23BE21

tetradic

#2123BE #BE2171 #BEBC21 #21BE6D

square

#2123BE #BE2171 #BEBC21 #21BE6D

split-complementary

#2123BE #BE6D21 #71BE21

monochromatic

#0F1056 #18198A #2123BE #3F41DE #7374E7

Accessibility & contrast

On white

10.25

#2123BE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#2123BE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2123BE

10.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2123BE	#FFFFFF	#000000	##FFFFFF
##2123BE	1.00	10.25	2.05	10.25
#FFFFFF	10.25	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049C2

Deuteranopia (green-blind)

#0038BB

Tritanopia (blue-blind)

#005572

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2123be;
/* rgb */ color: rgb(33, 35, 190);
/* oklch */ color: oklch(39.7% 0.228 269.3);

Tailwind

colors: {
  custom: {
    50: '#7c62d3',
    500: '#2123be',
    950: '#000000',
  },
}

SCSS

$custom: #2123be;
$custom-light: #7c62d3;
$custom-dark: #000000;

JSON

{
  "hex": "#2123be",
  "rgb": {
    "r": 33,
    "g": 35,
    "b": 190
  },
  "hsl": {
    "h": 239.236,
    "s": 70.404,
    "l": 43.725
  },
  "oklch": {
    "l": 0.39722,
    "c": 0.22758,
    "h": 269.3
  },
  "luminance": 0.05243
}

Semantic roles & 50–950 ramp

primary

#2123BE

secondary

#CDCC6D

accent

#EB3BED

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0514

muted

#7D7A83

Preview Lab

Preview with #2123BE

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

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