#21358C#21358C

#21358C is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.2% C 0.146 H 268.3°. Best body text is #FFFFFF at 10.75:1 contrast (WCAG AA passes).

Color values

HEX	#21358C
RGB	rgb(33, 53, 140)
HSL	hsl(229, 62%, 34%)
HSV	hsv(229, 76%, 55%)
CMYK	cmyk(76.4%, 62.1%, 0%, 45.1%)
CIE-LAB	lab(26.05, 24.61, -50.58)
CIE-LCH	lch(26.05, 56.25, 295.95°)
OKLab	oklab(37.19% -0.0043 -0.1461)
OKLCH	oklch(37.19% 0.146 268.3)
XYZ	xyz(6.6323, 4.7623, 25.3755)
Luminance	0.0476 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21358C #8C7821

analogous

#216B8C #21358C #43218C

triadic

#21358C #8C2135 #358C21

tetradic

#21358C #8C216B #8C7821 #218C43

square

#21358C #8C216B #8C7821 #218C43

split-complementary

#21358C #8C4321 #6B8C21

monochromatic

#0A1029 #15225A #21358C #2D48BE #516AD6

Accessibility & contrast

On white

10.75

#21358C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#21358C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21358C

10.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21358C	#FFFFFF	#000000	##FFFFFF
##21358C	1.00	10.75	1.95	10.75
#FFFFFF	10.75	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00438F

Deuteranopia (green-blind)

#00398A

Tritanopia (blue-blind)

#004B5B

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #21358c;
/* rgb */ color: rgb(33, 53, 140);
/* oklch */ color: oklch(37.2% 0.146 268.3);

Tailwind

colors: {
  custom: {
    50: '#6d6cae',
    500: '#21358c',
    950: '#000000',
  },
}

SCSS

$custom: #21358c;
$custom-light: #6d6cae;
$custom-dark: #000000;

JSON

{
  "hex": "#21358c",
  "rgb": {
    "r": 33,
    "g": 53,
    "b": 140
  },
  "hsl": {
    "h": 228.785,
    "s": 61.85,
    "l": 33.922
  },
  "oklch": {
    "l": 0.37194,
    "c": 0.14617,
    "h": 268.3
  },
  "luminance": 0.04763
}

Semantic roles & 50–950 ramp

primary

#21358C

secondary

#B9A64F

accent

#C743E5

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #21358C

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

Preview Lab → · Contrast checker → · Palette generator →