#21177F#21177F

#21177F is a dark, vivid blue. Relative luminance 0.025; OKLCH L 30.8% C 0.163 H 275.3°. Best body text is #FFFFFF at 14.06:1 contrast (WCAG AA passes).

Color values

HEX	#21177F
RGB	rgb(33, 23, 127)
HSL	hsl(246, 69%, 29%)
HSV	hsv(246, 82%, 50%)
CMYK	cmyk(74%, 81.9%, 0%, 50.2%)
CIE-LAB	lab(17.77, 38.77, -56.03)
CIE-LCH	lch(17.77, 68.13, 304.68°)
OKLab	oklab(30.82% 0.0152 -0.162)
OKLCH	oklch(30.82% 0.163 275.3)
XYZ	xyz(4.7631, 2.4680, 20.2999)
Luminance	0.0247 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21177F #757F17

analogous

#17417F #21177F #55177F

triadic

#21177F #7F2117 #177F21

tetradic

#21177F #7F1741 #757F17 #177F55

square

#21177F #7F1741 #757F17 #177F55

split-complementary

#21177F #7F5517 #417F17

monochromatic

#07051A #140E4B #21177F #2E20B3 #4636DB

Accessibility & contrast

On white

14.06

#21177F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#21177F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21177F

14.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21177F	#FFFFFF	#000000	##FFFFFF
##21177F	1.00	14.06	1.49	14.06
#FFFFFF	14.06	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003082

Deuteranopia (green-blind)

#00277D

Tritanopia (blue-blind)

#00374B

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #21177f;
/* rgb */ color: rgb(33, 23, 127);
/* oklch */ color: oklch(30.8% 0.163 275.3);

Tailwind

colors: {
  custom: {
    50: '#6d57a5',
    500: '#21177f',
    950: '#000000',
  },
}

SCSS

$custom: #21177f;
$custom-light: #6d57a5;
$custom-dark: #000000;

JSON

{
  "hex": "#21177f",
  "rgb": {
    "r": 33,
    "g": 23,
    "b": 127
  },
  "hsl": {
    "h": 245.769,
    "s": 69.333,
    "l": 29.412
  },
  "oklch": {
    "l": 0.30823,
    "c": 0.1627,
    "h": 275.3
  },
  "luminance": 0.02468
}

Semantic roles & 50–950 ramp

primary

#21177F

secondary

#A8B43E

accent

#EC3CDB

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #21177F

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

Preview Lab → · Contrast checker → · Palette generator →