#2B3E9F#2B3E9F

#2B3E9F is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.2% C 0.158 H 269.6°. Best body text is #FFFFFF at 9.16:1 contrast (WCAG AA passes).

Color values

HEX	#2B3E9F
RGB	rgb(43, 62, 159)
HSL	hsl(230, 57%, 40%)
HSV	hsv(230, 73%, 62%)
CMYK	cmyk(73%, 61%, 0%, 37.6%)
CIE-LAB	lab(30.55, 27.05, -54.86)
CIE-LCH	lch(30.55, 61.16, 296.25°)
OKLab	oklab(41.18% -0.0012 -0.1583)
OKLCH	oklch(41.18% 0.158 269.6)
XYZ	xyz(8.9747, 6.4611, 33.5683)
Luminance	0.0646 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3E9F #9F8C2B

analogous

#2B789F #2B3E9F #522B9F

triadic

#2B3E9F #9F2B3E #3E9F2B

tetradic

#2B3E9F #9F2B78 #9F8C2B #2B9F52

square

#2B3E9F #9F2B78 #9F8C2B #2B9F52

split-complementary

#2B3E9F #9F522B #789F2B

monochromatic

#11183F #1E2B6F #2B3E9F #3D54CA #6D7ED7

Accessibility & contrast

On white

9.16

#2B3E9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#2B3E9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3E9F

9.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3E9F	#FFFFFF	#000000	##FFFFFF
##2B3E9F	1.00	9.16	2.29	9.16
#FFFFFF	9.16	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DA2

Deuteranopia (green-blind)

#00439D

Tritanopia (blue-blind)

#005668

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #2b3e9f;
/* rgb */ color: rgb(43, 62, 159);
/* oklch */ color: oklch(41.2% 0.158 269.6);

Tailwind

colors: {
  custom: {
    50: '#7573bc',
    500: '#2b3e9f',
    950: '#000000',
  },
}

SCSS

$custom: #2b3e9f;
$custom-light: #7573bc;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3e9f",
  "rgb": {
    "r": 43,
    "g": 62,
    "b": 159
  },
  "hsl": {
    "h": 230.172,
    "s": 57.426,
    "l": 39.608
  },
  "oklch": {
    "l": 0.41175,
    "c": 0.15832,
    "h": 269.6
  },
  "luminance": 0.06462
}

Semantic roles & 50–950 ramp

primary

#2B3E9F

secondary

#BEB067

accent

#C847E1

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #2B3E9F

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

Preview Lab → · Contrast checker → · Palette generator →