#2B3BA0#2B3BA0

#2B3BA0 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.7% C 0.163 H 270.4°. Best body text is #FFFFFF at 9.39:1 contrast (WCAG AA passes).

Color values

HEX	#2B3BA0
RGB	rgb(43, 59, 160)
HSL	hsl(232, 58%, 40%)
HSV	hsv(232, 73%, 63%)
CMYK	cmyk(73.1%, 63.1%, 0%, 37.3%)
CIE-LAB	lab(29.86, 29.41, -56.59)
CIE-LCH	lch(29.86, 63.77, 297.46°)
OKLab	oklab(40.69% 0.001 -0.1634)
OKLCH	oklch(40.69% 0.163 270.4)
XYZ	xyz(8.9032, 6.1787, 33.9743)
Luminance	0.0618 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3BA0 #A0902B

analogous

#2B75A0 #2B3BA0 #562BA0

triadic

#2B3BA0 #A02B3B #3BA02B

tetradic

#2B3BA0 #A02B75 #A0902B #2BA056

square

#2B3BA0 #A02B75 #A0902B #2BA056

split-complementary

#2B3BA0 #A0562B #75A02B

monochromatic

#111740 #1E2970 #2B3BA0 #3D51CB #6E7CD8

Accessibility & contrast

On white

9.39

#2B3BA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#2B3BA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3BA0

9.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3BA0	#FFFFFF	#000000	##FFFFFF
##2B3BA0	1.00	9.39	2.24	9.39
#FFFFFF	9.39	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CA3

Deuteranopia (green-blind)

#00419E

Tritanopia (blue-blind)

#005568

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #2b3ba0;
/* rgb */ color: rgb(43, 59, 160);
/* oklch */ color: oklch(40.7% 0.163 270.4);

Tailwind

colors: {
  custom: {
    50: '#7571bd',
    500: '#2b3ba0',
    950: '#000000',
  },
}

SCSS

$custom: #2b3ba0;
$custom-light: #7571bd;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3ba0",
  "rgb": {
    "r": 43,
    "g": 59,
    "b": 160
  },
  "hsl": {
    "h": 231.795,
    "s": 57.635,
    "l": 39.804
  },
  "oklch": {
    "l": 0.40692,
    "c": 0.16343,
    "h": 270.4
  },
  "luminance": 0.0618
}

Semantic roles & 50–950 ramp

primary

#2B3BA0

secondary

#BFB368

accent

#CC47E1

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2B3BA0

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

Preview Lab → · Contrast checker → · Palette generator →