#2B3EA8#2B3EA8

#2B3EA8 is a dark, vivid blue. Relative luminance 0.068; OKLCH L 42.0% C 0.171 H 269.5°. Best body text is #FFFFFF at 8.91:1 contrast (WCAG AA passes).

Color values

HEX	#2B3EA8
RGB	rgb(43, 62, 168)
HSL	hsl(231, 59%, 41%)
HSV	hsv(231, 74%, 66%)
CMYK	cmyk(74.4%, 63.1%, 0%, 34.1%)
CIE-LAB	lab(31.31, 30.40, -59.03)
CIE-LCH	lch(31.31, 66.40, 297.25°)
OKLab	oklab(41.98% -0.0013 -0.1706)
OKLCH	oklch(41.98% 0.171 269.5)
XYZ	xyz(9.7843, 6.7850, 37.8322)
Luminance	0.0679 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3EA8 #A8952B

analogous

#2B7DA8 #2B3EA8 #572BA8

triadic

#2B3EA8 #A82B3E #3EA82B

tetradic

#2B3EA8 #A82B7D #A8952B #2BA857

square

#2B3EA8 #A82B7D #A8952B #2BA857

split-complementary

#2B3EA8 #A8572B #7DA82B

monochromatic

#121A47 #1F2C77 #2B3EA8 #4257CF #7282DB

Accessibility & contrast

On white

8.91

#2B3EA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#2B3EA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3EA8

8.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3EA8	#FFFFFF	#000000	##FFFFFF
##2B3EA8	1.00	8.91	2.36	8.91
#FFFFFF	8.91	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050AB

Deuteranopia (green-blind)

#0044A6

Tritanopia (blue-blind)

#00596D

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #2b3ea8;
/* rgb */ color: rgb(43, 62, 168);
/* oklch */ color: oklch(42.0% 0.171 269.5);

Tailwind

colors: {
  custom: {
    50: '#7773c3',
    500: '#2b3ea8',
    950: '#000000',
  },
}

SCSS

$custom: #2b3ea8;
$custom-light: #7773c3;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3ea8",
  "rgb": {
    "r": 43,
    "g": 62,
    "b": 168
  },
  "hsl": {
    "h": 230.88,
    "s": 59.242,
    "l": 41.373
  },
  "oklch": {
    "l": 0.41979,
    "c": 0.17058,
    "h": 269.5
  },
  "luminance": 0.06786
}

Semantic roles & 50–950 ramp

primary

#2B3EA8

secondary

#C2B56C

accent

#CB45E2

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2B3EA8

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

Preview Lab → · Contrast checker → · Palette generator →