#2B3EB6#2B3EB6

#2B3EB6 is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.3% C 0.189 H 269.4°. Best body text is #FFFFFF at 8.51:1 contrast (WCAG AA passes).

Color values

HEX	#2B3EB6
RGB	rgb(43, 62, 182)
HSL	hsl(232, 62%, 44%)
HSV	hsv(232, 76%, 71%)
CMYK	cmyk(76.4%, 65.9%, 0%, 28.6%)
CIE-LAB	lab(32.56, 35.53, -65.34)
CIE-LCH	lch(32.56, 74.37, 298.54°)
OKLab	oklab(43.28% -0.002 -0.189)
OKLCH	oklch(43.28% 0.189 269.4)
XYZ	xyz(11.1595, 7.3350, 45.0746)
Luminance	0.0734 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.78

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3EB6 #B6A32B

analogous

#2B84B6 #2B3EB6 #5E2BB6

triadic

#2B3EB6 #B62B3E #3EB62B

tetradic

#2B3EB6 #B62B84 #B6A32B #2BB65E

square

#2B3EB6 #B62B84 #B6A32B #2BB65E

split-complementary

#2B3EB6 #B65E2B #84B62B

monochromatic

#141C53 #1F2D84 #2B3EB6 #4A5DD4 #7B89E0

Accessibility & contrast

On white

8.51

#2B3EB6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#2B3EB6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3EB6

8.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3EB6	#FFFFFF	#000000	##FFFFFF
##2B3EB6	1.00	8.51	2.47	8.51
#FFFFFF	8.51	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053BA

Deuteranopia (green-blind)

#0046B4

Tritanopia (blue-blind)

#005E74

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2b3eb6;
/* rgb */ color: rgb(43, 62, 182);
/* oklch */ color: oklch(43.3% 0.189 269.4);

Tailwind

colors: {
  custom: {
    50: '#7a73cd',
    500: '#2b3eb6',
    950: '#000000',
  },
}

SCSS

$custom: #2b3eb6;
$custom-light: #7a73cd;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3eb6",
  "rgb": {
    "r": 43,
    "g": 62,
    "b": 182
  },
  "hsl": {
    "h": 231.799,
    "s": 61.778,
    "l": 44.118
  },
  "oklch": {
    "l": 0.43276,
    "c": 0.18905,
    "h": 269.4
  },
  "luminance": 0.07336
}

Semantic roles & 50–950 ramp

primary

#2B3EB6

secondary

#C8BD75

accent

#CF43E5

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0814

muted

#7C7B82

Preview Lab

Preview with #2B3EB6

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

Preview Lab → · Contrast checker → · Palette generator →