#2123BD#2123BD

#2123BD is a dark, highly saturated blue. Relative luminance 0.052; OKLCH L 39.6% C 0.226 H 269.3°. Best body text is #FFFFFF at 10.29:1 contrast (WCAG AA passes).

Color values

HEX	#2123BD
RGB	rgb(33, 35, 189)
HSL	hsl(239, 70%, 44%)
HSV	hsv(239, 83%, 74%)
CMYK	cmyk(82.5%, 81.5%, 0%, 25.9%)
CIE-LAB	lab(27.29, 52.62, -78.19)
CIE-LCH	lch(27.29, 94.25, 303.94°)
OKLab	oklab(39.6% -0.0027 -0.2264)
OKLCH	oklch(39.6% 0.226 269.3)
XYZ	xyz(10.4104, 5.1983, 48.5889)
Luminance	0.0520 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2123BD #BDBB21

analogous

#2171BD #2123BD #6D21BD

triadic

#2123BD #BD2123 #23BD21

tetradic

#2123BD #BD2171 #BDBB21 #21BD6D

square

#2123BD #BD2171 #BDBB21 #21BD6D

split-complementary

#2123BD #BD6D21 #71BD21

monochromatic

#0F1055 #181989 #2123BD #3E40DD #7274E6

Accessibility & contrast

On white

10.29

#2123BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#2123BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2123BD

10.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2123BD	#FFFFFF	#000000	##FFFFFF
##2123BD	1.00	10.29	2.04	10.29
#FFFFFF	10.29	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048C1

Deuteranopia (green-blind)

#0038BA

Tritanopia (blue-blind)

#005471

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #2123bd;
/* rgb */ color: rgb(33, 35, 189);
/* oklch */ color: oklch(39.6% 0.226 269.3);

Tailwind

colors: {
  custom: {
    50: '#7c62d2',
    500: '#2123bd',
    950: '#000000',
  },
}

SCSS

$custom: #2123bd;
$custom-light: #7c62d2;
$custom-dark: #000000;

JSON

{
  "hex": "#2123bd",
  "rgb": {
    "r": 33,
    "g": 35,
    "b": 189
  },
  "hsl": {
    "h": 239.231,
    "s": 70.27,
    "l": 43.529
  },
  "oklch": {
    "l": 0.39604,
    "c": 0.22644,
    "h": 269.3
  },
  "luminance": 0.052
}

Semantic roles & 50–950 ramp

primary

#2123BD

secondary

#CDCC6D

accent

#EB3BED

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0514

muted

#7D7A83

Preview Lab

Preview with #2123BD

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

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