#2830B2#2830B2

#2830B2 is a dark, highly saturated blue. Relative luminance 0.058; OKLCH L 40.4% C 0.200 H 270.7°. Best body text is #FFFFFF at 9.74:1 contrast (WCAG AA passes).

Color values

HEX	#2830B2
RGB	rgb(40, 48, 178)
HSL	hsl(237, 63%, 43%)
HSV	hsv(237, 78%, 70%)
CMYK	cmyk(77.5%, 73%, 0%, 30.2%)
CIE-LAB	lab(28.85, 42.47, -69.07)
CIE-LCH	lch(28.85, 81.08, 301.58°)
OKLab	oklab(40.43% 0.0025 -0.2)
OKLCH	oklch(40.43% 0.2 270.7)
XYZ	xyz(9.9652, 5.7783, 42.7010)
Luminance	0.0578 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.42

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2830B2 #B2AA28

analogous

#2875B2 #2830B2 #6528B2

triadic

#2830B2 #B22830 #30B228

tetradic

#2830B2 #B22875 #B2AA28 #28B265

square

#2830B2 #B22875 #B2AA28 #28B265

split-complementary

#2830B2 #B26528 #75B228

monochromatic

#12154E #1D2380 #2830B2 #434BD5 #757BE0

Accessibility & contrast

On white

9.74

#2830B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#2830B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2830B2

9.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2830B2	#FFFFFF	#000000	##FFFFFF
##2830B2	1.00	9.74	2.16	9.74
#FFFFFF	9.74	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BB6

Deuteranopia (green-blind)

#003DB0

Tritanopia (blue-blind)

#00556E

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2830b2;
/* rgb */ color: rgb(40, 48, 178);
/* oklch */ color: oklch(40.4% 0.200 270.7);

Tailwind

colors: {
  custom: {
    50: '#7a69ca',
    500: '#2830b2',
    950: '#000000',
  },
}

SCSS

$custom: #2830b2;
$custom-light: #7a69ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2830b2",
  "rgb": {
    "r": 40,
    "g": 48,
    "b": 178
  },
  "hsl": {
    "h": 236.522,
    "s": 63.303,
    "l": 42.745
  },
  "oklch": {
    "l": 0.40433,
    "c": 0.20003,
    "h": 270.7
  },
  "luminance": 0.05779
}

Semantic roles & 50–950 ramp

primary

#2830B2

secondary

#C7C26F

accent

#DD41E6

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #2830B2

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

Preview Lab → · Contrast checker → · Palette generator →