#2126B0#2126B0

#2126B0 is a dark, highly saturated blue. Relative luminance 0.048; OKLCH L 38.5% C 0.209 H 269.8°. Best body text is #FFFFFF at 10.67:1 contrast (WCAG AA passes).

Color values

HEX	#2126B0
RGB	rgb(33, 38, 176)
HSL	hsl(238, 68%, 41%)
HSV	hsv(238, 81%, 69%)
CMYK	cmyk(81.3%, 78.4%, 0%, 31%)
CIE-LAB	lab(26.28, 46.94, -72.13)
CIE-LCH	lch(26.28, 86.05, 303.05°)
OKLab	oklab(38.46% -0.0009 -0.2089)
OKLCH	oklch(38.46% 0.209 269.8)
XYZ	xyz(9.1541, 4.8431, 41.5182)
Luminance	0.0484 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2126B0 #B0AB21

analogous

#216DB0 #2126B0 #6321B0

triadic

#2126B0 #B02126 #26B021

tetradic

#2126B0 #B0216D #B0AB21 #21B063

square

#2126B0 #B0216D #B0AB21 #21B063

split-complementary

#2126B0 #B06321 #6DB021

monochromatic

#0E1049 #171B7C #2126B0 #353BD9 #696DE3

Accessibility & contrast

On white

10.67

#2126B0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#2126B0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2126B0

10.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2126B0	#FFFFFF	#000000	##FFFFFF
##2126B0	1.00	10.67	1.97	10.67
#FFFFFF	10.67	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045B4

Deuteranopia (green-blind)

#0037AE

Tritanopia (blue-blind)

#00506A

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2126b0;
/* rgb */ color: rgb(33, 38, 176);
/* oklch */ color: oklch(38.5% 0.209 269.8);

Tailwind

colors: {
  custom: {
    50: '#7863c9',
    500: '#2126b0',
    950: '#000000',
  },
}

SCSS

$custom: #2126b0;
$custom-light: #7863c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2126b0",
  "rgb": {
    "r": 33,
    "g": 38,
    "b": 176
  },
  "hsl": {
    "h": 237.902,
    "s": 68.421,
    "l": 40.98
  },
  "oklch": {
    "l": 0.38456,
    "c": 0.20892,
    "h": 269.8
  },
  "luminance": 0.04844
}

Semantic roles & 50–950 ramp

primary

#2126B0

secondary

#C8C564

accent

#E53DEB

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0513

muted

#7C7A82

Preview Lab

Preview with #2126B0

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

Preview Lab → · Contrast checker → · Palette generator →