#21438C#21438C

#21438C is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.2% C 0.128 H 263.1°. Best body text is #FFFFFF at 9.35:1 contrast (WCAG AA passes).

Color values

HEX	#21438C
RGB	rgb(33, 67, 140)
HSL	hsl(221, 62%, 34%)
HSV	hsv(221, 76%, 55%)
CMYK	cmyk(76.4%, 52.1%, 0%, 45.1%)
CIE-LAB	lab(29.99, 14.96, -44.19)
CIE-LCH	lch(29.99, 46.65, 288.71°)
OKLab	oklab(40.16% -0.0154 -0.1271)
OKLCH	oklch(40.16% 0.128 263.1)
XYZ	xyz(7.3663, 6.2303, 25.6202)
Luminance	0.0623 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21438C #8C6A21

analogous

#21798C #21438C #35218C

triadic

#21438C #8C2143 #438C21

tetradic

#21438C #8C2179 #8C6A21 #218C35

square

#21438C #8C2179 #8C6A21 #218C35

split-complementary

#21438C #8C3521 #798C21

monochromatic

#0A1429 #152B5A #21438C #2D5BBE #517CD6

Accessibility & contrast

On white

9.35

#21438C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#21438C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21438C

9.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21438C	#FFFFFF	#000000	##FFFFFF
##21438C	1.00	9.35	2.25	9.35
#FFFFFF	9.35	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#154C8F

Deuteranopia (green-blind)

#00428B

Tritanopia (blue-blind)

#005561

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #21438c;
/* rgb */ color: rgb(33, 67, 140);
/* oklch */ color: oklch(40.2% 0.128 263.1);

Tailwind

colors: {
  custom: {
    50: '#6c76ae',
    500: '#21438c',
    950: '#000000',
  },
}

SCSS

$custom: #21438c;
$custom-light: #6c76ae;
$custom-dark: #000000;

JSON

{
  "hex": "#21438c",
  "rgb": {
    "r": 33,
    "g": 67,
    "b": 140
  },
  "hsl": {
    "h": 220.935,
    "s": 61.85,
    "l": 33.922
  },
  "oklch": {
    "l": 0.40159,
    "c": 0.12801,
    "h": 263.1
  },
  "luminance": 0.06231
}

Semantic roles & 50–950 ramp

primary

#21438C

secondary

#B9984F

accent

#B143E5

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #21438C

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

Preview Lab → · Contrast checker → · Palette generator →