#2B2F81#2B2F81

#2B2F81 is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.6% C 0.136 H 275.0°. Best body text is #FFFFFF at 11.50:1 contrast (WCAG AA passes).

Color values

HEX	#2B2F81
RGB	rgb(43, 47, 129)
HSL	hsl(237, 50%, 34%)
HSV	hsv(237, 67%, 51%)
CMYK	cmyk(66.7%, 63.6%, 0%, 49.4%)
CIE-LAB	lab(24.10, 25.95, -46.87)
CIE-LCH	lch(24.10, 53.57, 298.97°)
OKLab	oklab(35.62% 0.0118 -0.135)
OKLCH	oklch(35.62% 0.136 275)
XYZ	xyz(5.9739, 4.1311, 21.2472)
Luminance	0.0413 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B2F81 #817D2B

analogous

#2B5A81 #2B2F81 #522B81

triadic

#2B2F81 #812B2F #2F812B

tetradic

#2B2F81 #812B5A #817D2B #2B8152

square

#2B2F81 #812B5A #817D2B #2B8152

split-complementary

#2B2F81 #81522B #5A812B

monochromatic

#0C0E25 #1C1E53 #2B2F81 #3A40AF #5D62C9

Accessibility & contrast

On white

11.50

#2B2F81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#2B2F81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B2F81

11.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B2F81	#FFFFFF	#000000	##FFFFFF
##2B2F81	1.00	11.50	1.83	11.50
#FFFFFF	11.50	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D84

Deuteranopia (green-blind)

#00367F

Tritanopia (blue-blind)

#004453

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #2b2f81;
/* rgb */ color: rgb(43, 47, 129);
/* oklch */ color: oklch(35.6% 0.136 275.0);

Tailwind

colors: {
  custom: {
    50: '#6f67a6',
    500: '#2b2f81',
    950: '#000000',
  },
}

SCSS

$custom: #2b2f81;
$custom-light: #6f67a6;
$custom-dark: #000000;

JSON

{
  "hex": "#2b2f81",
  "rgb": {
    "r": 43,
    "g": 47,
    "b": 129
  },
  "hsl": {
    "h": 237.209,
    "s": 50,
    "l": 33.725
  },
  "oklch": {
    "l": 0.35616,
    "c": 0.13554,
    "h": 275
  },
  "luminance": 0.04132
}

Semantic roles & 50–950 ramp

primary

#2B2F81

secondary

#AFAB59

accent

#D34EDA

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08060F

muted

#7B7A7F

Preview Lab

Preview with #2B2F81

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

Preview Lab → · Contrast checker → · Palette generator →