#21438D#21438D

#21438D is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.2% C 0.129 H 263.2°. Best body text is #FFFFFF at 9.32:1 contrast (WCAG AA passes).

Color values

HEX	#21438D
RGB	rgb(33, 67, 141)
HSL	hsl(221, 62%, 34%)
HSV	hsv(221, 77%, 55%)
CMYK	cmyk(76.6%, 52.5%, 0%, 44.7%)
CIE-LAB	lab(30.06, 15.36, -44.68)
CIE-LCH	lch(30.06, 47.25, 288.97°)
OKLab	oklab(40.24% -0.0153 -0.1285)
OKLCH	oklch(40.24% 0.129 263.2)
XYZ	xyz(7.4404, 6.2599, 26.0103)
Luminance	0.0626 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21438D #8D6B21

analogous

#21798D #21438D #35218D

triadic

#21438D #8D2143 #438D21

tetradic

#21438D #8D2179 #8D6B21 #218D35

square

#21438D #8D2179 #8D6B21 #218D35

split-complementary

#21438D #8D3521 #798D21

monochromatic

#0A142A #152B5B #21438D #2D5BBF #527CD6

Accessibility & contrast

On white

9.32

#21438D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#21438D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21438D

9.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21438D	#FFFFFF	#000000	##FFFFFF
##21438D	1.00	9.32	2.25	9.32
#FFFFFF	9.32	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#144C90

Deuteranopia (green-blind)

#00428C

Tritanopia (blue-blind)

#005561

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #21438d;
/* rgb */ color: rgb(33, 67, 141);
/* oklch */ color: oklch(40.2% 0.129 263.2);

Tailwind

colors: {
  custom: {
    50: '#6d76af',
    500: '#21438d',
    950: '#000000',
  },
}

SCSS

$custom: #21438d;
$custom-light: #6d76af;
$custom-dark: #000000;

JSON

{
  "hex": "#21438d",
  "rgb": {
    "r": 33,
    "g": 67,
    "b": 141
  },
  "hsl": {
    "h": 221.111,
    "s": 62.069,
    "l": 34.118
  },
  "oklch": {
    "l": 0.40238,
    "c": 0.12944,
    "h": 263.2
  },
  "luminance": 0.06261
}

Semantic roles & 50–950 ramp

primary

#21438D

secondary

#BA9950

accent

#B243E5

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #21438D

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

Preview Lab → · Contrast checker → · Palette generator →