#2131A0#2131A0

#2131A0 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.4% C 0.178 H 269.1°. Best body text is #FFFFFF at 10.44:1 contrast (WCAG AA passes).

Color values

HEX	#2131A0
RGB	rgb(33, 49, 160)
HSL	hsl(232, 66%, 38%)
HSV	hsv(232, 79%, 63%)
CMYK	cmyk(79.4%, 69.4%, 0%, 37.3%)
CIE-LAB	lab(26.90, 34.85, -61.46)
CIE-LCH	lch(26.90, 70.65, 299.55°)
OKLab	oklab(38.39% -0.0028 -0.178)
OKLCH	oklch(38.39% 0.178 269.1)
XYZ	xyz(8.0685, 5.0571, 33.8018)
Luminance	0.0506 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2131A0 #A09021

analogous

#2170A0 #2131A0 #5021A0

triadic

#2131A0 #A02131 #31A021

tetradic

#2131A0 #A02170 #A09021 #21A050

square

#2131A0 #A02170 #A09021 #21A050

split-complementary

#2131A0 #A05021 #70A021

monochromatic

#0C123B #17216D #2131A0 #2B41D3 #5E6EDE

Accessibility & contrast

On white

10.44

#2131A0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#2131A0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2131A0

10.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2131A0	#FFFFFF	#000000	##FFFFFF
##2131A0	1.00	10.44	2.01	10.44
#FFFFFF	10.44	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046A3

Deuteranopia (green-blind)

#00399E

Tritanopia (blue-blind)

#005064

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #2131a0;
/* rgb */ color: rgb(33, 49, 160);
/* oklch */ color: oklch(38.4% 0.178 269.1);

Tailwind

colors: {
  custom: {
    50: '#7369bd',
    500: '#2131a0',
    950: '#000000',
  },
}

SCSS

$custom: #2131a0;
$custom-light: #7369bd;
$custom-dark: #000000;

JSON

{
  "hex": "#2131a0",
  "rgb": {
    "r": 33,
    "g": 49,
    "b": 160
  },
  "hsl": {
    "h": 232.441,
    "s": 65.803,
    "l": 37.843
  },
  "oklch": {
    "l": 0.38387,
    "c": 0.17799,
    "h": 269.1
  },
  "luminance": 0.05058
}

Semantic roles & 50–950 ramp

primary

#2131A0

secondary

#C2B55B

accent

#D33FE9

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#090612

muted

#7B7A81

Preview Lab

Preview with #2131A0

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

Preview Lab → · Contrast checker → · Palette generator →