#2B3090#2B3090

#2B3090 is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.2% C 0.155 H 273.7°. Best body text is #FFFFFF at 10.89:1 contrast (WCAG AA passes).

Color values

HEX	#2B3090
RGB	rgb(43, 48, 144)
HSL	hsl(237, 54%, 37%)
HSV	hsv(237, 70%, 56%)
CMYK	cmyk(70.1%, 66.7%, 0%, 43.5%)
CIE-LAB	lab(25.68, 30.76, -53.63)
CIE-LCH	lch(25.68, 61.82, 299.84°)
OKLab	oklab(37.19% 0.01 -0.1548)
OKLCH	oklch(37.19% 0.155 273.7)
XYZ	xyz(7.0856, 4.6405, 26.9024)
Luminance	0.0464 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3090 #908B2B

analogous

#2B6390 #2B3090 #592B90

triadic

#2B3090 #902B30 #30902B

tetradic

#2B3090 #902B63 #908B2B #2B9059

square

#2B3090 #902B63 #908B2B #2B9059

split-complementary

#2B3090 #90592B #63902B

monochromatic

#0F1132 #1D2061 #2B3090 #3940BF #656AD1

Accessibility & contrast

On white

10.89

#2B3090 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#2B3090 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3090

10.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3090	#FFFFFF	#000000	##FFFFFF
##2B3090	1.00	10.89	1.93	10.89
#FFFFFF	10.89	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004293

Deuteranopia (green-blind)

#00388E

Tritanopia (blue-blind)

#00495B

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2b3090;
/* rgb */ color: rgb(43, 48, 144);
/* oklch */ color: oklch(37.2% 0.155 273.7);

Tailwind

colors: {
  custom: {
    50: '#7368b1',
    500: '#2b3090',
    950: '#000000',
  },
}

SCSS

$custom: #2b3090;
$custom-light: #7368b1;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3090",
  "rgb": {
    "r": 43,
    "g": 48,
    "b": 144
  },
  "hsl": {
    "h": 237.03,
    "s": 54.011,
    "l": 36.667
  },
  "oklch": {
    "l": 0.3719,
    "c": 0.15516,
    "h": 273.7
  },
  "luminance": 0.04641
}

Semantic roles & 50–950 ramp

primary

#2B3090

secondary

#B7B360

accent

#D64ADD

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #2B3090

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

Preview Lab → · Contrast checker → · Palette generator →