#2B3088#2B3088

#2B3088 is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.4% C 0.144 H 274.2°. Best body text is #FFFFFF at 11.16:1 contrast (WCAG AA passes).

Color values

HEX	#2B3088
RGB	rgb(43, 48, 136)
HSL	hsl(237, 52%, 35%)
HSV	hsv(237, 68%, 53%)
CMYK	cmyk(68.4%, 64.7%, 0%, 46.7%)
CIE-LAB	lab(24.97, 27.85, -49.84)
CIE-LCH	lch(24.97, 57.09, 299.19°)
OKLab	oklab(36.44% 0.0106 -0.1437)
OKLCH	oklch(36.44% 0.144 274.2)
XYZ	xyz(6.4957, 4.4045, 23.7956)
Luminance	0.0440 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3088 #88832B

analogous

#2B5F88 #2B3088 #542B88

triadic

#2B3088 #882B30 #30882B

tetradic

#2B3088 #882B5F #88832B #2B8854

square

#2B3088 #882B5F #88832B #2B8854

split-complementary

#2B3088 #88542B #5F882B

monochromatic

#0E0F2B #1C205A #2B3088 #3A40B6 #6166CD

Accessibility & contrast

On white

11.16

#2B3088 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#2B3088 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3088

11.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3088	#FFFFFF	#000000	##FFFFFF
##2B3088	1.00	11.16	1.88	11.16
#FFFFFF	11.16	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F8B

Deuteranopia (green-blind)

#003786

Tritanopia (blue-blind)

#004657

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #2b3088;
/* rgb */ color: rgb(43, 48, 136);
/* oklch */ color: oklch(36.4% 0.144 274.2);

Tailwind

colors: {
  custom: {
    50: '#7168ab',
    500: '#2b3088',
    950: '#000000',
  },
}

SCSS

$custom: #2b3088;
$custom-light: #7168ab;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3088",
  "rgb": {
    "r": 43,
    "g": 48,
    "b": 136
  },
  "hsl": {
    "h": 236.774,
    "s": 51.955,
    "l": 35.098
  },
  "oklch": {
    "l": 0.36442,
    "c": 0.14412,
    "h": 274.2
  },
  "luminance": 0.04405
}

Semantic roles & 50–950 ramp

primary

#2B3088

secondary

#B3AE5C

accent

#D44CDB

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090610

muted

#7B7A7F

Preview Lab

Preview with #2B3088

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

Preview Lab → · Contrast checker → · Palette generator →