Rich Blue#021BF9

#021BF9 is a mid, highly saturated blue. Relative luminance 0.076; OKLCH L 45.6% C 0.299 H 264.3°. Best body text is #FFFFFF at 8.31:1 contrast (WCAG AA passes).

Rich Blue — editorial page

Color values

HEX	#021BF9
RGB	rgb(2, 27, 249)
HSL	hsl(234, 98%, 49%)
HSV	hsv(234, 99%, 98%)
CMYK	cmyk(99.2%, 89.2%, 0%, 2.4%)
CIE-LAB	lab(33.21, 72.40, -102.96)
CIE-LCH	lch(33.21, 125.87, 305.11°)
OKLab	oklab(45.6% -0.0296 -0.2979)
OKLCH	oklch(45.6% 0.299 264.3)
XYZ	xyz(17.5099, 7.6339, 90.1547)
Luminance	0.0764 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#021BF9 #F9E002

analogous

#0297F9 #021BF9 #6502F9

triadic

#021BF9 #F9021B #1BF902

tetradic

#021BF9 #F90297 #F9E002 #02F965

square

#021BF9 #F90297 #F9E002 #02F965

split-complementary

#021BF9 #F96502 #97F902

monochromatic

#010E80 #0214BC #021BF9 #3B4EFD #7785FE

Accessibility & contrast

On white

8.31

#021BF9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#021BF9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #021BF9

8.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##021BF9	#FFFFFF	#000000	##FFFFFF
##021BF9	1.00	8.31	2.53	8.31
#FFFFFF	8.31	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AFF

Deuteranopia (green-blind)

#0041F6

Tritanopia (blue-blind)

#006C94

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #021bf9;
/* rgb */ color: rgb(2, 27, 249);
/* oklch */ color: oklch(45.6% 0.299 264.3);

Tailwind

colors: {
  custom: {
    50: '#8863fd',
    500: '#021bf9',
    950: '#000000',
  },
}

SCSS

$custom: #021bf9;
$custom-light: #8863fd;
$custom-dark: #000000;

JSON

{
  "hex": "#021bf9",
  "rgb": {
    "r": 2,
    "g": 27,
    "b": 249
  },
  "hsl": {
    "h": 233.927,
    "s": 98.406,
    "l": 49.216
  },
  "oklch": {
    "l": 0.45601,
    "c": 0.29937,
    "h": 264.3
  },
  "luminance": 0.07636
}

Semantic roles & 50–950 ramp

primary

#021BF9

secondary

#E5D972

accent

#E929FF

background

#F9F6FF

surface

#F2EBFF

border

#CCC6D7

text

#0F0618

muted

#7E7A86

Preview Lab

Preview with #021BF9

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

Preview Lab → · Contrast checker → · Palette generator →