#2135A8#2135A8

#2135A8 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.9% C 0.184 H 268.3°. Best body text is #FFFFFF at 9.82:1 contrast (WCAG AA passes).

Color values

HEX	#2135A8
RGB	rgb(33, 53, 168)
HSL	hsl(231, 67%, 39%)
HSV	hsv(231, 80%, 66%)
CMYK	cmyk(80.4%, 68.5%, 0%, 34.1%)
CIE-LAB	lab(28.63, 35.23, -63.45)
CIE-LCH	lch(28.63, 72.57, 299.04°)
OKLab	oklab(39.89% -0.0055 -0.1837)
OKLCH	oklch(39.89% 0.184 268.3)
XYZ	xyz(8.9657, 5.6957, 37.6650)
Luminance	0.0570 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2135A8 #A89421

analogous

#2179A8 #2135A8 #5121A8

triadic

#2135A8 #A82135 #35A821

tetradic

#2135A8 #A82179 #A89421 #21A851

square

#2135A8 #A82179 #A89421 #21A851

split-complementary

#2135A8 #A85121 #79A821

monochromatic

#0D1542 #172575 #2135A8 #3049D6 #6376E0

Accessibility & contrast

On white

9.82

#2135A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#2135A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2135A8

9.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2135A8	#FFFFFF	#000000	##FFFFFF
##2135A8	1.00	9.82	2.14	9.82
#FFFFFF	9.82	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AAC

Deuteranopia (green-blind)

#003DA6

Tritanopia (blue-blind)

#00546A

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2135a8;
/* rgb */ color: rgb(33, 53, 168);
/* oklch */ color: oklch(39.9% 0.184 268.3);

Tailwind

colors: {
  custom: {
    50: '#756cc3',
    500: '#2135a8',
    950: '#000000',
  },
}

SCSS

$custom: #2135a8;
$custom-light: #756cc3;
$custom-dark: #000000;

JSON

{
  "hex": "#2135a8",
  "rgb": {
    "r": 33,
    "g": 53,
    "b": 168
  },
  "hsl": {
    "h": 231.111,
    "s": 67.164,
    "l": 39.412
  },
  "oklch": {
    "l": 0.39885,
    "c": 0.18383,
    "h": 268.3
  },
  "luminance": 0.05697
}

Semantic roles & 50–950 ramp

primary

#2135A8

secondary

#C5B65F

accent

#D13EEA

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #2135A8

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

Preview Lab → · Contrast checker → · Palette generator →