#21458F#21458F

#21458F is a dark, vivid blue. Relative luminance 0.066; OKLCH L 40.8% C 0.130 H 262.6°. Best body text is #FFFFFF at 9.08:1 contrast (WCAG AA passes).

Color values

HEX	#21458F
RGB	rgb(33, 69, 143)
HSL	hsl(220, 63%, 35%)
HSV	hsv(220, 77%, 56%)
CMYK	cmyk(76.9%, 51.7%, 0%, 43.9%)
CIE-LAB	lab(30.79, 14.78, -44.74)
CIE-LCH	lch(30.79, 47.11, 288.29°)
OKLab	oklab(40.84% -0.0167 -0.1286)
OKLCH	oklch(40.84% 0.13 262.6)
XYZ	xyz(7.7115, 6.5619, 26.8414)
Luminance	0.0656 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21458F #8F6B21

analogous

#217C8F #21458F #34218F

triadic

#21458F #8F2145 #458F21

tetradic

#21458F #8F217C #8F6B21 #218F34

square

#21458F #8F217C #8F6B21 #218F34

split-complementary

#21458F #8F3421 #7C8F21

monochromatic

#0A152C #162D5D #21458F #2C5DC1 #537ED7

Accessibility & contrast

On white

9.08

#21458F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#21458F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21458F

9.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21458F	#FFFFFF	#000000	##FFFFFF
##21458F	1.00	9.08	2.31	9.08
#FFFFFF	9.08	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#174E92

Deuteranopia (green-blind)

#00448E

Tritanopia (blue-blind)

#005763

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #21458f;
/* rgb */ color: rgb(33, 69, 143);
/* oklch */ color: oklch(40.8% 0.130 262.6);

Tailwind

colors: {
  custom: {
    50: '#6d78b0',
    500: '#21458f',
    950: '#000000',
  },
}

SCSS

$custom: #21458f;
$custom-light: #6d78b0;
$custom-dark: #000000;

JSON

{
  "hex": "#21458f",
  "rgb": {
    "r": 33,
    "g": 69,
    "b": 143
  },
  "hsl": {
    "h": 220.364,
    "s": 62.5,
    "l": 34.51
  },
  "oklch": {
    "l": 0.4084,
    "c": 0.12973,
    "h": 262.6
  },
  "luminance": 0.06563
}

Semantic roles & 50–950 ramp

primary

#21458F

secondary

#BB9851

accent

#B042E6

background

#F7F7FA

surface

#EDEDF5

border

#C8C8CF

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #21458F

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

Preview Lab → · Contrast checker → · Palette generator →