#2139A5#2139A5

#2139A5 is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.3% C 0.175 H 267.6°. Best body text is #FFFFFF at 9.58:1 contrast (WCAG AA passes).

Color values

HEX	#2139A5
RGB	rgb(33, 57, 165)
HSL	hsl(229, 67%, 39%)
HSV	hsv(229, 80%, 65%)
CMYK	cmyk(80%, 65.5%, 0%, 35.3%)
CIE-LAB	lab(29.32, 31.51, -60.50)
CIE-LCH	lch(29.32, 68.21, 297.51°)
OKLab	oklab(40.31% -0.0074 -0.1751)
OKLCH	oklch(40.31% 0.175 267.6)
XYZ	xyz(8.8795, 5.9652, 36.2734)
Luminance	0.0597 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2139A5 #A58D21

analogous

#217BA5 #2139A5 #4B21A5

triadic

#2139A5 #A52139 #39A521

tetradic

#2139A5 #A5217B #A58D21 #21A54B

square

#2139A5 #A5217B #A58D21 #21A54B

split-complementary

#2139A5 #A54B21 #7BA521

monochromatic

#0D163F #172772 #2139A5 #2E4CD5 #6178DF

Accessibility & contrast

On white

9.58

#2139A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#2139A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2139A5

9.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2139A5	#FFFFFF	#000000	##FFFFFF
##2139A5	1.00	9.58	2.19	9.58
#FFFFFF	9.58	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BA8

Deuteranopia (green-blind)

#003FA3

Tritanopia (blue-blind)

#00566A

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2139a5;
/* rgb */ color: rgb(33, 57, 165);
/* oklch */ color: oklch(40.3% 0.175 267.6);

Tailwind

colors: {
  custom: {
    50: '#736fc1',
    500: '#2139a5',
    950: '#000000',
  },
}

SCSS

$custom: #2139a5;
$custom-light: #736fc1;
$custom-dark: #000000;

JSON

{
  "hex": "#2139a5",
  "rgb": {
    "r": 33,
    "g": 57,
    "b": 165
  },
  "hsl": {
    "h": 229.091,
    "s": 66.667,
    "l": 38.824
  },
  "oklch": {
    "l": 0.40306,
    "c": 0.17528,
    "h": 267.6
  },
  "luminance": 0.05966
}

Semantic roles & 50–950 ramp

primary

#2139A5

secondary

#C4B25E

accent

#CA3EEA

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2139A5

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

Preview Lab → · Contrast checker → · Palette generator →