#21127B#21127B

#21127B is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.8% C 0.162 H 276.5°. Best body text is #FFFFFF at 14.61:1 contrast (WCAG AA passes).

Color values

HEX	#21127B
RGB	rgb(33, 18, 123)
HSL	hsl(249, 74%, 28%)
HSV	hsv(249, 85%, 48%)
CMYK	cmyk(73.2%, 85.4%, 0%, 51.8%)
CIE-LAB	lab(16.43, 39.97, -55.69)
CIE-LCH	lch(16.43, 68.56, 305.67°)
OKLab	oklab(29.75% 0.0184 -0.1609)
OKLCH	oklch(29.75% 0.162 276.5)
XYZ	xyz(4.4175, 2.1856, 18.9241)
Luminance	0.0219 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21127B #6C7B12

analogous

#12387B #21127B #55127B

triadic

#21127B #7B2112 #127B21

tetradic

#21127B #7B1238 #6C7B12 #127B55

square

#21127B #7B1238 #6C7B12 #127B55

split-complementary

#21127B #7B5512 #387B12

monochromatic

#07041B #130A46 #21127B #2F1AB0 #4228E0

Accessibility & contrast

On white

14.61

#21127B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#21127B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21127B

14.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21127B	#FFFFFF	#000000	##FFFFFF
##21127B	1.00	14.61	1.44	14.61
#FFFFFF	14.61	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D7E

Deuteranopia (green-blind)

#002479

Tritanopia (blue-blind)

#003348

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #21127b;
/* rgb */ color: rgb(33, 18, 123);
/* oklch */ color: oklch(29.8% 0.162 276.5);

Tailwind

colors: {
  custom: {
    50: '#6c54a2',
    500: '#21127b',
    950: '#000000',
  },
}

SCSS

$custom: #21127b;
$custom-light: #6c54a2;
$custom-dark: #000000;

JSON

{
  "hex": "#21127b",
  "rgb": {
    "r": 33,
    "g": 18,
    "b": 123
  },
  "hsl": {
    "h": 248.571,
    "s": 74.468,
    "l": 27.647
  },
  "oklch": {
    "l": 0.29752,
    "c": 0.162,
    "h": 276.5
  },
  "luminance": 0.02186
}

Semantic roles & 50–950 ramp

primary

#21127B

secondary

#A0B138

accent

#F137D6

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #21127B

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

Preview Lab → · Contrast checker → · Palette generator →