#2B3C8A#2B3C8A

#2B3C8A is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.0% C 0.131 H 270.0°. Best body text is #FFFFFF at 9.92:1 contrast (WCAG AA passes).

Color values

HEX	#2B3C8A
RGB	rgb(43, 60, 138)
HSL	hsl(229, 52%, 35%)
HSV	hsv(229, 69%, 54%)
CMYK	cmyk(68.8%, 56.5%, 0%, 45.9%)
CIE-LAB	lab(28.33, 20.48, -45.61)
CIE-LCH	lch(28.33, 50.00, 294.18°)
OKLab	oklab(38.99% 0 -0.1312)
OKLCH	oklch(38.99% 0.131 270)
XYZ	xyz(7.1980, 5.5796, 24.7375)
Luminance	0.0558 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3C8A #8A792B

analogous

#2B6B8A #2B3C8A #492B8A

triadic

#2B3C8A #8A2B3C #3C8A2B

tetradic

#2B3C8A #8A2B6B #8A792B #2B8A49

square

#2B3C8A #8A2B6B #8A792B #2B8A49

split-complementary

#2B3C8A #8A492B #6B8A2B

monochromatic

#0E132D #1C285B #2B3C8A #3A50B9 #6175CE

Accessibility & contrast

On white

9.92

#2B3C8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#2B3C8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3C8A

9.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3C8A	#FFFFFF	#000000	##FFFFFF
##2B3C8A	1.00	9.92	2.12	9.92
#FFFFFF	9.92	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00478D

Deuteranopia (green-blind)

#003F88

Tritanopia (blue-blind)

#004F5D

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2b3c8a;
/* rgb */ color: rgb(43, 60, 138);
/* oklch */ color: oklch(39.0% 0.131 270.0);

Tailwind

colors: {
  custom: {
    50: '#7071ad',
    500: '#2b3c8a',
    950: '#000000',
  },
}

SCSS

$custom: #2b3c8a;
$custom-light: #7071ad;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3c8a",
  "rgb": {
    "r": 43,
    "g": 60,
    "b": 138
  },
  "hsl": {
    "h": 229.263,
    "s": 52.486,
    "l": 35.49
  },
  "oklch": {
    "l": 0.38989,
    "c": 0.13119,
    "h": 270
  },
  "luminance": 0.0558
}

Semantic roles & 50–950 ramp

primary

#2B3C8A

secondary

#B4A45D

accent

#C24CDC

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #2B3C8A

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

Preview Lab → · Contrast checker → · Palette generator →