#2B3CB6#2B3CB6

#2B3CB6 is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.9% C 0.191 H 269.7°. Best body text is #FFFFFF at 8.66:1 contrast (WCAG AA passes).

Color values

HEX	#2B3CB6
RGB	rgb(43, 60, 182)
HSL	hsl(233, 62%, 44%)
HSV	hsv(233, 76%, 71%)
CMYK	cmyk(76.4%, 67%, 0%, 28.6%)
CIE-LAB	lab(32.08, 36.80, -66.12)
CIE-LCH	lch(32.08, 75.67, 299.10°)
OKLab	oklab(42.93% -0.0009 -0.1913)
OKLCH	oklch(42.93% 0.191 269.7)
XYZ	xyz(11.0527, 7.1215, 45.0390)
Luminance	0.0712 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3CB6 #B6A52B

analogous

#2B82B6 #2B3CB6 #602BB6

triadic

#2B3CB6 #B62B3C #3CB62B

tetradic

#2B3CB6 #B62B82 #B6A52B #2BB660

square

#2B3CB6 #B62B82 #B6A52B #2BB660

split-complementary

#2B3CB6 #B6602B #82B62B

monochromatic

#141B53 #1F2C84 #2B3CB6 #4A5BD4 #7B88E0

Accessibility & contrast

On white

8.66

#2B3CB6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#2B3CB6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3CB6

8.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3CB6	#FFFFFF	#000000	##FFFFFF
##2B3CB6	1.00	8.66	2.42	8.66
#FFFFFF	8.66	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052BA

Deuteranopia (green-blind)

#0045B4

Tritanopia (blue-blind)

#005D74

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #2b3cb6;
/* rgb */ color: rgb(43, 60, 182);
/* oklch */ color: oklch(42.9% 0.191 269.7);

Tailwind

colors: {
  custom: {
    50: '#7b72cd',
    500: '#2b3cb6',
    950: '#000000',
  },
}

SCSS

$custom: #2b3cb6;
$custom-light: #7b72cd;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3cb6",
  "rgb": {
    "r": 43,
    "g": 60,
    "b": 182
  },
  "hsl": {
    "h": 232.662,
    "s": 61.778,
    "l": 44.118
  },
  "oklch": {
    "l": 0.42929,
    "c": 0.19133,
    "h": 269.7
  },
  "luminance": 0.07123
}

Semantic roles & 50–950 ramp

primary

#2B3CB6

secondary

#C8BE75

accent

#D143E5

background

#F8F6FC

surface

#EFECF9

border

#CAC7D2

text

#0B0814

muted

#7C7B82

Preview Lab

Preview with #2B3CB6

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

Preview Lab → · Contrast checker → · Palette generator →