#2135A9#2135A9

#2135A9 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 40.0% C 0.185 H 268.3°. Best body text is #FFFFFF at 9.78:1 contrast (WCAG AA passes).

Color values

HEX	#2135A9
RGB	rgb(33, 53, 169)
HSL	hsl(231, 67%, 40%)
HSV	hsv(231, 80%, 66%)
CMYK	cmyk(80.5%, 68.6%, 0%, 33.7%)
CIE-LAB	lab(28.73, 35.60, -63.89)
CIE-LCH	lch(28.73, 73.14, 299.13°)
OKLab	oklab(39.99% -0.0056 -0.185)
OKLCH	oklch(39.99% 0.185 268.3)
XYZ	xyz(9.0593, 5.7331, 38.1576)
Luminance	0.0573 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2135A9 #A99521

analogous

#2179A9 #2135A9 #5121A9

triadic

#2135A9 #A92135 #35A921

tetradic

#2135A9 #A92179 #A99521 #21A951

square

#2135A9 #A92179 #A99521 #21A951

split-complementary

#2135A9 #A95121 #79A921

monochromatic

#0D1543 #172576 #2135A9 #3149D7 #6476E1

Accessibility & contrast

On white

9.78

#2135A9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#2135A9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2135A9

9.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2135A9	#FFFFFF	#000000	##FFFFFF
##2135A9	1.00	9.78	2.15	9.78
#FFFFFF	9.78	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AAD

Deuteranopia (green-blind)

#003DA7

Tritanopia (blue-blind)

#00556A

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2135a9;
/* rgb */ color: rgb(33, 53, 169);
/* oklch */ color: oklch(40.0% 0.185 268.3);

Tailwind

colors: {
  custom: {
    50: '#756cc4',
    500: '#2135a9',
    950: '#000000',
  },
}

SCSS

$custom: #2135a9;
$custom-light: #756cc4;
$custom-dark: #000000;

JSON

{
  "hex": "#2135a9",
  "rgb": {
    "r": 33,
    "g": 53,
    "b": 169
  },
  "hsl": {
    "h": 231.176,
    "s": 67.327,
    "l": 39.608
  },
  "oklch": {
    "l": 0.39986,
    "c": 0.18512,
    "h": 268.3
  },
  "luminance": 0.05734
}

Semantic roles & 50–950 ramp

primary

#2135A9

secondary

#C6B760

accent

#D13EEA

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #2135A9

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

Preview Lab → · Contrast checker → · Palette generator →