#2129A7#2129A7

#2129A7 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.9% C 0.195 H 269.9°. Best body text is #FFFFFF at 10.83:1 contrast (WCAG AA passes).

Color values

HEX	#2129A7
RGB	rgb(33, 41, 167)
HSL	hsl(236, 67%, 39%)
HSV	hsv(236, 80%, 65%)
CMYK	cmyk(80.2%, 75.4%, 0%, 34.5%)
CIE-LAB	lab(25.86, 42.23, -67.42)
CIE-LCH	lch(25.86, 79.55, 302.06°)
OKLab	oklab(37.86% -0.0003 -0.1953)
OKLCH	oklch(37.86% 0.195 269.9)
XYZ	xyz(8.3928, 4.6983, 37.0162)
Luminance	0.0470 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2129A7 #A79F21

analogous

#216CA7 #2129A7 #5C21A7

triadic

#2129A7 #A72129 #29A721

tetradic

#2129A7 #A7216C #A79F21 #21A75C

square

#2129A7 #A7216C #A79F21 #21A75C

split-complementary

#2129A7 #A75C21 #6CA721

monochromatic

#0D1041 #171C74 #2129A7 #2F39D6 #626AE0

Accessibility & contrast

On white

10.83

#2129A7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#2129A7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2129A7

10.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2129A7	#FFFFFF	#000000	##FFFFFF
##2129A7	1.00	10.83	1.94	10.83
#FFFFFF	10.83	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044AB

Deuteranopia (green-blind)

#0036A5

Tritanopia (blue-blind)

#004E66

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2129a7;
/* rgb */ color: rgb(33, 41, 167);
/* oklch */ color: oklch(37.9% 0.195 269.9);

Tailwind

colors: {
  custom: {
    50: '#7564c2',
    500: '#2129a7',
    950: '#000000',
  },
}

SCSS

$custom: #2129a7;
$custom-light: #7564c2;
$custom-dark: #000000;

JSON

{
  "hex": "#2129a7",
  "rgb": {
    "r": 33,
    "g": 41,
    "b": 167
  },
  "hsl": {
    "h": 236.418,
    "s": 67,
    "l": 39.216
  },
  "oklch": {
    "l": 0.37859,
    "c": 0.19529,
    "h": 269.9
  },
  "luminance": 0.04699
}

Semantic roles & 50–950 ramp

primary

#2129A7

secondary

#C5BF5F

accent

#E03EEA

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0513

muted

#7C7A82

Preview Lab

Preview with #2129A7

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

Preview Lab → · Contrast checker → · Palette generator →