#2A30B3#2A30B3

#2A30B3 is a dark, highly saturated blue. Relative luminance 0.059; OKLCH L 40.6% C 0.201 H 271.3°. Best body text is #FFFFFF at 9.67:1 contrast (WCAG AA passes).

Color values

HEX	#2A30B3
RGB	rgb(42, 48, 179)
HSL	hsl(237, 62%, 43%)
HSV	hsv(237, 77%, 70%)
CMYK	cmyk(76.5%, 73.2%, 0%, 29.8%)
CIE-LAB	lab(29.06, 42.98, -69.32)
CIE-LCH	lch(29.06, 81.56, 301.80°)
OKLab	oklab(40.64% 0.0045 -0.2007)
OKLCH	oklch(40.64% 0.201 271.3)
XYZ	xyz(10.1457, 5.8597, 43.2354)
Luminance	0.0586 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.20

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A30B3 #B3AD2A

analogous

#2A74B3 #2A30B3 #682AB3

triadic

#2A30B3 #B32A30 #30B32A

tetradic

#2A30B3 #B32A74 #B3AD2A #2AB368

square

#2A30B3 #B32A74 #B3AD2A #2AB368

split-complementary

#2A30B3 #B3682A #74B32A

monochromatic

#131550 #1E2381 #2A30B3 #464DD4 #787DDF

Accessibility & contrast

On white

9.67

#2A30B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#2A30B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A30B3

9.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A30B3	#FFFFFF	#000000	##FFFFFF
##2A30B3	1.00	9.67	2.17	9.67
#FFFFFF	9.67	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BB7

Deuteranopia (green-blind)

#003EB1

Tritanopia (blue-blind)

#00566F

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2a30b3;
/* rgb */ color: rgb(42, 48, 179);
/* oklch */ color: oklch(40.6% 0.201 271.3);

Tailwind

colors: {
  custom: {
    50: '#7b6acb',
    500: '#2a30b3',
    950: '#000000',
  },
}

SCSS

$custom: #2a30b3;
$custom-light: #7b6acb;
$custom-dark: #000000;

JSON

{
  "hex": "#2a30b3",
  "rgb": {
    "r": 42,
    "g": 48,
    "b": 179
  },
  "hsl": {
    "h": 237.372,
    "s": 61.991,
    "l": 43.333
  },
  "oklch": {
    "l": 0.40643,
    "c": 0.20073,
    "h": 271.3
  },
  "luminance": 0.05861
}

Semantic roles & 50–950 ramp

primary

#2A30B3

secondary

#C7C372

accent

#DE43E5

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #2A30B3

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

Preview Lab → · Contrast checker → · Palette generator →