#2A3CB3#2A3CB3

#2A3CB3 is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.6% C 0.188 H 269.5°. Best body text is #FFFFFF at 8.77:1 contrast (WCAG AA passes).

Color values

HEX	#2A3CB3
RGB	rgb(42, 60, 179)
HSL	hsl(232, 62%, 43%)
HSV	hsv(232, 77%, 70%)
CMYK	cmyk(76.5%, 66.5%, 0%, 29.8%)
CIE-LAB	lab(31.76, 35.62, -64.88)
CIE-LCH	lch(31.76, 74.01, 298.77°)
OKLab	oklab(42.59% -0.0016 -0.1877)
OKLCH	oklch(42.59% 0.188 269.5)
XYZ	xyz(10.7046, 6.9775, 43.4217)
Luminance	0.0698 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3CB3 #B3A12A

analogous

#2A80B3 #2A3CB3 #5C2AB3

triadic

#2A3CB3 #B32A3C #3CB32A

tetradic

#2A3CB3 #B32A80 #B3A12A #2AB35C

square

#2A3CB3 #B32A80 #B3A12A #2AB35C

split-complementary

#2A3CB3 #B35C2A #80B32A

monochromatic

#131B50 #1E2B81 #2A3CB3 #4659D4 #7886DF

Accessibility & contrast

On white

8.77

#2A3CB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#2A3CB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3CB3

8.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3CB3	#FFFFFF	#000000	##FFFFFF
##2A3CB3	1.00	8.77	2.40	8.77
#FFFFFF	8.77	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051B7

Deuteranopia (green-blind)

#0044B1

Tritanopia (blue-blind)

#005C72

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #2a3cb3;
/* rgb */ color: rgb(42, 60, 179);
/* oklch */ color: oklch(42.6% 0.188 269.5);

Tailwind

colors: {
  custom: {
    50: '#7a72cb',
    500: '#2a3cb3',
    950: '#000000',
  },
}

SCSS

$custom: #2a3cb3;
$custom-light: #7a72cb;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3cb3",
  "rgb": {
    "r": 42,
    "g": 60,
    "b": 179
  },
  "hsl": {
    "h": 232.117,
    "s": 61.991,
    "l": 43.333
  },
  "oklch": {
    "l": 0.42593,
    "c": 0.18773,
    "h": 269.5
  },
  "luminance": 0.06979
}

Semantic roles & 50–950 ramp

primary

#2A3CB3

secondary

#C7BC72

accent

#D043E5

background

#F8F6FC

surface

#EFECF9

border

#CAC7D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #2A3CB3

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

Preview Lab → · Contrast checker → · Palette generator →