#2139A0#2139A0

#2139A0 is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.8% C 0.169 H 267.5°. Best body text is #FFFFFF at 9.73:1 contrast (WCAG AA passes).

Color values

HEX	#2139A0
RGB	rgb(33, 57, 160)
HSL	hsl(229, 66%, 38%)
HSV	hsv(229, 79%, 63%)
CMYK	cmyk(79.4%, 64.4%, 0%, 37.3%)
CIE-LAB	lab(28.87, 29.61, -58.23)
CIE-LCH	lch(28.87, 65.32, 296.96°)
OKLab	oklab(39.83% -0.0072 -0.1685)
OKLCH	oklch(39.83% 0.169 267.5)
XYZ	xyz(8.4333, 5.7867, 33.9234)
Luminance	0.0579 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2139A0 #A08821

analogous

#2179A0 #2139A0 #4821A0

triadic

#2139A0 #A02139 #39A021

tetradic

#2139A0 #A02179 #A08821 #21A048

square

#2139A0 #A02179 #A08821 #21A048

split-complementary

#2139A0 #A04821 #79A021

monochromatic

#0C153B #17276D #2139A0 #2B4BD3 #5E76DE

Accessibility & contrast

On white

9.73

#2139A0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#2139A0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2139A0

9.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2139A0	#FFFFFF	#000000	##FFFFFF
##2139A0	1.00	9.73	2.16	9.73
#FFFFFF	9.73	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AA3

Deuteranopia (green-blind)

#003E9E

Tritanopia (blue-blind)

#005467

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2139a0;
/* rgb */ color: rgb(33, 57, 160);
/* oklch */ color: oklch(39.8% 0.169 267.5);

Tailwind

colors: {
  custom: {
    50: '#726fbd',
    500: '#2139a0',
    950: '#000000',
  },
}

SCSS

$custom: #2139a0;
$custom-light: #726fbd;
$custom-dark: #000000;

JSON

{
  "hex": "#2139a0",
  "rgb": {
    "r": 33,
    "g": 57,
    "b": 160
  },
  "hsl": {
    "h": 228.661,
    "s": 65.803,
    "l": 37.843
  },
  "oklch": {
    "l": 0.39829,
    "c": 0.16862,
    "h": 267.5
  },
  "luminance": 0.05788
}

Semantic roles & 50–950 ramp

primary

#2139A0

secondary

#C2AF5B

accent

#C93FE9

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #2139A0

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

Preview Lab → · Contrast checker → · Palette generator →