#2127BA#2127BA

#2127BA is a dark, highly saturated blue. Relative luminance 0.053; OKLCH L 39.7% C 0.220 H 269.2°. Best body text is #FFFFFF at 10.17:1 contrast (WCAG AA passes).

Color values

HEX	#2127BA
RGB	rgb(33, 39, 186)
HSL	hsl(238, 70%, 43%)
HSV	hsv(238, 82%, 73%)
CMYK	cmyk(82.3%, 79%, 0%, 27.1%)
CIE-LAB	lab(27.62, 49.67, -75.87)
CIE-LCH	lch(27.62, 90.68, 303.21°)
OKLab	oklab(39.73% -0.0029 -0.2198)
OKLCH	oklch(39.73% 0.22 269.2)
XYZ	xyz(10.2126, 5.3183, 46.9331)
Luminance	0.0532 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2127BA #BAB421

analogous

#2173BA #2127BA #6721BA

triadic

#2127BA #BA2127 #27BA21

tetradic

#2127BA #BA2173 #BAB421 #21BA67

square

#2127BA #BA2173 #BAB421 #21BA67

split-complementary

#2127BA #BA6721 #73BA21

monochromatic

#0F1152 #181C86 #2127BA #3C42DC #7074E6

Accessibility & contrast

On white

10.17

#2127BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#2127BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2127BA

10.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2127BA	#FFFFFF	#000000	##FFFFFF
##2127BA	1.00	10.17	2.06	10.17
#FFFFFF	10.17	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049BE

Deuteranopia (green-blind)

#0039B8

Tritanopia (blue-blind)

#005570

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2127ba;
/* rgb */ color: rgb(33, 39, 186);
/* oklch */ color: oklch(39.7% 0.220 269.2);

Tailwind

colors: {
  custom: {
    50: '#7b64d0',
    500: '#2127ba',
    950: '#000000',
  },
}

SCSS

$custom: #2127ba;
$custom-light: #7b64d0;
$custom-dark: #000000;

JSON

{
  "hex": "#2127ba",
  "rgb": {
    "r": 33,
    "g": 39,
    "b": 186
  },
  "hsl": {
    "h": 237.647,
    "s": 69.863,
    "l": 42.941
  },
  "oklch": {
    "l": 0.39733,
    "c": 0.21978,
    "h": 269.2
  },
  "luminance": 0.0532
}

Semantic roles & 50–950 ramp

primary

#2127BA

secondary

#CCC86B

accent

#E63BED

background

#F8F6FD

surface

#EFEBFA

border

#CAC6D3

text

#0B0614

muted

#7C7A83

Preview Lab

Preview with #2127BA

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

Preview Lab → · Contrast checker → · Palette generator →