#2B3C90#2B3C90

#2B3C90 is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.5% C 0.140 H 270.1°. Best body text is #FFFFFF at 9.76:1 contrast (WCAG AA passes).

Color values

HEX	#2B3C90
RGB	rgb(43, 60, 144)
HSL	hsl(230, 54%, 37%)
HSV	hsv(230, 70%, 56%)
CMYK	cmyk(70.1%, 58.3%, 0%, 43.5%)
CIE-LAB	lab(28.79, 22.75, -48.56)
CIE-LCH	lch(28.79, 53.62, 295.10°)
OKLab	oklab(39.49% 0.0002 -0.1398)
OKLCH	oklch(39.49% 0.14 270.1)
XYZ	xyz(7.6444, 5.7582, 27.0887)
Luminance	0.0576 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3C90 #907F2B

analogous

#2B6F90 #2B3C90 #4D2B90

triadic

#2B3C90 #902B3C #3C902B

tetradic

#2B3C90 #902B6F #907F2B #2B904D

square

#2B3C90 #902B6F #907F2B #2B904D

split-complementary

#2B3C90 #904D2B #6F902B

monochromatic

#0F1532 #1D2861 #2B3C90 #3950BF #6577D1

Accessibility & contrast

On white

9.76

#2B3C90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#2B3C90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3C90

9.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3C90	#FFFFFF	#000000	##FFFFFF
##2B3C90	1.00	9.76	2.15	9.76
#FFFFFF	9.76	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004993

Deuteranopia (green-blind)

#003F8E

Tritanopia (blue-blind)

#005160

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2b3c90;
/* rgb */ color: rgb(43, 60, 144);
/* oklch */ color: oklch(39.5% 0.140 270.1);

Tailwind

colors: {
  custom: {
    50: '#7271b1',
    500: '#2b3c90',
    950: '#000000',
  },
}

SCSS

$custom: #2b3c90;
$custom-light: #7271b1;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3c90",
  "rgb": {
    "r": 43,
    "g": 60,
    "b": 144
  },
  "hsl": {
    "h": 229.901,
    "s": 54.011,
    "l": 36.667
  },
  "oklch": {
    "l": 0.39487,
    "c": 0.13984,
    "h": 270.1
  },
  "luminance": 0.05759
}

Semantic roles & 50–950 ramp

primary

#2B3C90

secondary

#B7A860

accent

#C54ADD

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #2B3C90

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

Preview Lab → · Contrast checker → · Palette generator →