#2B3C8E#2B3C8E

#2B3C8E is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.3% C 0.137 H 270.1°. Best body text is #FFFFFF at 9.81:1 contrast (WCAG AA passes).

Color values

HEX	#2B3C8E
RGB	rgb(43, 60, 142)
HSL	hsl(230, 54%, 36%)
HSV	hsv(230, 70%, 56%)
CMYK	cmyk(69.7%, 57.7%, 0%, 44.3%)
CIE-LAB	lab(28.64, 21.99, -47.58)
CIE-LCH	lch(28.64, 52.42, 294.81°)
OKLab	oklab(39.32% 0.0002 -0.137)
OKLCH	oklch(39.32% 0.137 270.1)
XYZ	xyz(7.4929, 5.6976, 26.2908)
Luminance	0.0570 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3C8E #8E7D2B

analogous

#2B6E8E #2B3C8E #4C2B8E

triadic

#2B3C8E #8E2B3C #3C8E2B

tetradic

#2B3C8E #8E2B6E #8E7D2B #2B8E4C

square

#2B3C8E #8E2B6E #8E7D2B #2B8E4C

split-complementary

#2B3C8E #8E4C2B #6E8E2B

monochromatic

#0F1430 #1D285F #2B3C8E #3950BD #6376D0

Accessibility & contrast

On white

9.81

#2B3C8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#2B3C8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3C8E

9.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3C8E	#FFFFFF	#000000	##FFFFFF
##2B3C8E	1.00	9.81	2.14	9.81
#FFFFFF	9.81	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004891

Deuteranopia (green-blind)

#003F8C

Tritanopia (blue-blind)

#00505F

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2b3c8e;
/* rgb */ color: rgb(43, 60, 142);
/* oklch */ color: oklch(39.3% 0.137 270.1);

Tailwind

colors: {
  custom: {
    50: '#7171b0',
    500: '#2b3c8e',
    950: '#000000',
  },
}

SCSS

$custom: #2b3c8e;
$custom-light: #7171b0;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3c8e",
  "rgb": {
    "r": 43,
    "g": 60,
    "b": 142
  },
  "hsl": {
    "h": 229.697,
    "s": 53.514,
    "l": 36.275
  },
  "oklch": {
    "l": 0.39319,
    "c": 0.13697,
    "h": 270.1
  },
  "luminance": 0.05698
}

Semantic roles & 50–950 ramp

primary

#2B3C8E

secondary

#B6A75F

accent

#C44BDD

background

#F7F6FA

surface

#EDECF5

border

#C8C7CF

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #2B3C8E

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

Preview Lab → · Contrast checker → · Palette generator →