#2139BD#2139BD

#2139BD is a dark, highly saturated blue. Relative luminance 0.069; OKLCH L 42.7% C 0.206 H 267.5°. Best body text is #FFFFFF at 8.81:1 contrast (WCAG AA passes).

Color values

HEX	#2139BD
RGB	rgb(33, 57, 189)
HSL	hsl(231, 70%, 44%)
HSV	hsv(231, 83%, 74%)
CMYK	cmyk(82.5%, 69.8%, 0%, 25.9%)
CIE-LAB	lab(31.63, 40.36, -71.02)
CIE-LCH	lch(31.63, 81.68, 299.61°)
OKLab	oklab(42.69% -0.0089 -0.2058)
OKLCH	oklch(42.69% 0.206 267.5)
XYZ	xyz(11.2724, 6.9224, 48.8763)
Luminance	0.0692 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2139BD #BDA521

analogous

#2187BD #2139BD #5721BD

triadic

#2139BD #BD2139 #39BD21

tetradic

#2139BD #BD2187 #BDA521 #21BD57

square

#2139BD #BD2187 #BDA521 #21BD57

split-complementary

#2139BD #BD5721 #87BD21

monochromatic

#0F1A55 #182989 #2139BD #3E56DD #7284E6

Accessibility & contrast

On white

8.81

#2139BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#2139BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2139BD

8.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2139BD	#FFFFFF	#000000	##FFFFFF
##2139BD	1.00	8.81	2.38	8.81
#FFFFFF	8.81	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052C1

Deuteranopia (green-blind)

#0043BB

Tritanopia (blue-blind)

#005E77

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #2139bd;
/* rgb */ color: rgb(33, 57, 189);
/* oklch */ color: oklch(42.7% 0.206 267.5);

Tailwind

colors: {
  custom: {
    50: '#7a70d2',
    500: '#2139bd',
    950: '#000000',
  },
}

SCSS

$custom: #2139bd;
$custom-light: #7a70d2;
$custom-dark: #000000;

JSON

{
  "hex": "#2139bd",
  "rgb": {
    "r": 33,
    "g": 57,
    "b": 189
  },
  "hsl": {
    "h": 230.769,
    "s": 70.27,
    "l": 43.529
  },
  "oklch": {
    "l": 0.42685,
    "c": 0.206,
    "h": 267.5
  },
  "luminance": 0.06924
}

Semantic roles & 50–950 ramp

primary

#2139BD

secondary

#CDBE6D

accent

#D23BED

background

#F8F6FD

surface

#EFECFA

border

#CAC7D3

text

#0B0714

muted

#7C7A83

Preview Lab

Preview with #2139BD

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

Preview Lab → · Contrast checker → · Palette generator →