#2139A9#2139A9

#2139A9 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.7% C 0.181 H 267.6°. Best body text is #FFFFFF at 9.45:1 contrast (WCAG AA passes).

Color values

HEX	#2139A9
RGB	rgb(33, 57, 169)
HSL	hsl(229, 67%, 40%)
HSV	hsv(229, 80%, 66%)
CMYK	cmyk(80.5%, 66.3%, 0%, 33.7%)
CIE-LAB	lab(29.70, 33.02, -62.30)
CIE-LCH	lch(29.70, 70.51, 297.92°)
OKLab	oklab(40.69% -0.0076 -0.1804)
OKLCH	oklch(40.69% 0.181 267.6)
XYZ	xyz(9.2493, 6.1131, 38.2209)
Luminance	0.0611 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2139A9 #A99121

analogous

#217DA9 #2139A9 #4D21A9

triadic

#2139A9 #A92139 #39A921

tetradic

#2139A9 #A9217D #A99121 #21A94D

square

#2139A9 #A9217D #A99121 #21A94D

split-complementary

#2139A9 #A94D21 #7DA921

monochromatic

#0D1643 #172876 #2139A9 #314ED7 #647AE1

Accessibility & contrast

On white

9.45

#2139A9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#2139A9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2139A9

9.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2139A9	#FFFFFF	#000000	##FFFFFF
##2139A9	1.00	9.45	2.22	9.45
#FFFFFF	9.45	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DAD

Deuteranopia (green-blind)

#0040A7

Tritanopia (blue-blind)

#00576C

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #2139a9;
/* rgb */ color: rgb(33, 57, 169);
/* oklch */ color: oklch(40.7% 0.181 267.6);

Tailwind

colors: {
  custom: {
    50: '#746fc4',
    500: '#2139a9',
    950: '#000000',
  },
}

SCSS

$custom: #2139a9;
$custom-light: #746fc4;
$custom-dark: #000000;

JSON

{
  "hex": "#2139a9",
  "rgb": {
    "r": 33,
    "g": 57,
    "b": 169
  },
  "hsl": {
    "h": 229.412,
    "s": 67.327,
    "l": 39.608
  },
  "oklch": {
    "l": 0.40692,
    "c": 0.18053,
    "h": 267.6
  },
  "luminance": 0.06114
}

Semantic roles & 50–950 ramp

primary

#2139A9

secondary

#C6B460

accent

#CC3EEA

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #2139A9

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

Preview Lab → · Contrast checker → · Palette generator →