#2129AF#2129AF

#2129AF is a dark, highly saturated blue. Relative luminance 0.050; OKLCH L 38.7% C 0.205 H 269.6°. Best body text is #FFFFFF at 10.50:1 contrast (WCAG AA passes).

Color values

HEX	#2129AF
RGB	rgb(33, 41, 175)
HSL	hsl(237, 68%, 41%)
HSV	hsv(237, 81%, 69%)
CMYK	cmyk(81.1%, 76.6%, 0%, 31.4%)
CIE-LAB	lab(26.74, 44.96, -70.76)
CIE-LCH	lch(26.74, 83.84, 302.43°)
OKLab	oklab(38.75% -0.0016 -0.205)
OKLCH	oklch(38.75% 0.205 269.6)
XYZ	xyz(9.1554, 5.0033, 41.0323)
Luminance	0.0500 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2129AF #AFA721

analogous

#2170AF #2129AF #6021AF

triadic

#2129AF #AF2129 #29AF21

tetradic

#2129AF #AF2170 #AFA721 #21AF60

square

#2129AF #AF2170 #AFA721 #21AF60

split-complementary

#2129AF #AF6021 #70AF21

monochromatic

#0E1148 #171D7C #2129AF #343ED9 #686FE3

Accessibility & contrast

On white

10.50

#2129AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#2129AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2129AF

10.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2129AF	#FFFFFF	#000000	##FFFFFF
##2129AF	1.00	10.50	2.00	10.50
#FFFFFF	10.50	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046B3

Deuteranopia (green-blind)

#0038AD

Tritanopia (blue-blind)

#00516B

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #2129af;
/* rgb */ color: rgb(33, 41, 175);
/* oklch */ color: oklch(38.7% 0.205 269.6);

Tailwind

colors: {
  custom: {
    50: '#7865c8',
    500: '#2129af',
    950: '#000000',
  },
}

SCSS

$custom: #2129af;
$custom-light: #7865c8;
$custom-dark: #000000;

JSON

{
  "hex": "#2129af",
  "rgb": {
    "r": 33,
    "g": 41,
    "b": 175
  },
  "hsl": {
    "h": 236.62,
    "s": 68.269,
    "l": 40.784
  },
  "oklch": {
    "l": 0.38748,
    "c": 0.20501,
    "h": 269.6
  },
  "luminance": 0.05004
}

Semantic roles & 50–950 ramp

primary

#2129AF

secondary

#C8C264

accent

#E13DEB

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #2129AF

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

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