#2A30B1#2A30B1

#2A30B1 is a dark, vivid blue. Relative luminance 0.058; OKLCH L 40.4% C 0.198 H 271.4°. Best body text is #FFFFFF at 9.74:1 contrast (WCAG AA passes).

Color values

HEX	#2A30B1
RGB	rgb(42, 48, 177)
HSL	hsl(237, 62%, 43%)
HSV	hsv(237, 76%, 69%)
CMYK	cmyk(76.3%, 72.9%, 0%, 30.6%)
CIE-LAB	lab(28.85, 42.29, -68.47)
CIE-LCH	lch(28.85, 80.48, 301.70°)
OKLab	oklab(40.43% 0.0048 -0.1982)
OKLCH	oklch(40.43% 0.198 271.4)
XYZ	xyz(9.9449, 5.7794, 42.1779)
Luminance	0.0578 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.37

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A30B1 #B1AB2A

analogous

#2A74B1 #2A30B1 #672AB1

triadic

#2A30B1 #B12A30 #30B12A

tetradic

#2A30B1 #B12A74 #B1AB2A #2AB167

square

#2A30B1 #B12A74 #B1AB2A #2AB167

split-complementary

#2A30B1 #B1672A #74B12A

monochromatic

#13154E #1E2380 #2A30B1 #454CD3 #777BDF

Accessibility & contrast

On white

9.74

#2A30B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#2A30B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A30B1

9.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A30B1	#FFFFFF	#000000	##FFFFFF
##2A30B1	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)

#004BB5

Deuteranopia (green-blind)

#003DAF

Tritanopia (blue-blind)

#00556D

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2a30b1;
/* rgb */ color: rgb(42, 48, 177);
/* oklch */ color: oklch(40.4% 0.198 271.4);

Tailwind

colors: {
  custom: {
    50: '#7a69ca',
    500: '#2a30b1',
    950: '#000000',
  },
}

SCSS

$custom: #2a30b1;
$custom-light: #7a69ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2a30b1",
  "rgb": {
    "r": 42,
    "g": 48,
    "b": 177
  },
  "hsl": {
    "h": 237.333,
    "s": 61.644,
    "l": 42.941
  },
  "oklch": {
    "l": 0.40434,
    "c": 0.19827,
    "h": 271.4
  },
  "luminance": 0.0578
}

Semantic roles & 50–950 ramp

primary

#2A30B1

secondary

#C6C370

accent

#DE43E5

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #2A30B1

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

Preview Lab → · Contrast checker → · Palette generator →