#284EAC#284EAC

#284EAC is a mid, vivid blue. Relative luminance 0.089; OKLCH L 45.4% C 0.157 H 264.4°. Best body text is #FFFFFF at 7.57:1 contrast (WCAG AA passes).

Color values

HEX	#284EAC
RGB	rgb(40, 78, 172)
HSL	hsl(223, 62%, 42%)
HSV	hsv(223, 77%, 67%)
CMYK	cmyk(76.7%, 54.7%, 0%, 32.5%)
CIE-LAB	lab(35.75, 20.93, -54.20)
CIE-LCH	lch(35.75, 58.11, 291.12°)
OKLab	oklab(45.36% -0.0154 -0.1562)
OKLCH	oklch(45.36% 0.157 264.4)
XYZ	xyz(11.0432, 8.8772, 40.1532)
Luminance	0.0888 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284EAC #AC8628

analogous

#2890AC #284EAC #4428AC

triadic

#284EAC #AC284E #4EAC28

tetradic

#284EAC #AC2890 #AC8628 #28AC44

square

#284EAC #AC2890 #AC8628 #28AC44

split-complementary

#284EAC #AC4428 #90AC28

monochromatic

#112149 #1C377A #284EAC #3F69D2 #7190DE

Accessibility & contrast

On white

7.57

#284EAC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#284EAC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284EAC

7.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284EAC	#FFFFFF	#000000	##FFFFFF
##284EAC	1.00	7.57	2.78	7.57
#FFFFFF	7.57	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AAF

Deuteranopia (green-blind)

#004EAA

Tritanopia (blue-blind)

#006575

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #284eac;
/* rgb */ color: rgb(40, 78, 172);
/* oklch */ color: oklch(45.4% 0.157 264.4);

Tailwind

colors: {
  custom: {
    50: '#767fc5',
    500: '#284eac',
    950: '#000000',
  },
}

SCSS

$custom: #284eac;
$custom-light: #767fc5;
$custom-dark: #000000;

JSON

{
  "hex": "#284eac",
  "rgb": {
    "r": 40,
    "g": 78,
    "b": 172
  },
  "hsl": {
    "h": 222.727,
    "s": 62.264,
    "l": 41.569
  },
  "oklch": {
    "l": 0.45358,
    "c": 0.15698,
    "h": 264.4
  },
  "luminance": 0.08878
}

Semantic roles & 50–950 ramp

primary

#284EAC

secondary

#C5AB6B

accent

#B642E5

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #284EAC

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

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