#2B3F97#2B3F97

#2B3F97 is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.7% C 0.146 H 269.2°. Best body text is #FFFFFF at 9.29:1 contrast (WCAG AA passes).

Color values

HEX	#2B3F97
RGB	rgb(43, 63, 151)
HSL	hsl(229, 56%, 38%)
HSV	hsv(229, 72%, 59%)
CMYK	cmyk(71.5%, 58.3%, 0%, 40.8%)
CIE-LAB	lab(30.16, 23.37, -50.62)
CIE-LCH	lch(30.16, 55.75, 294.78°)
OKLab	oklab(40.69% -0.0021 -0.1459)
OKLCH	oklch(40.69% 0.146 269.2)
XYZ	xyz(8.3578, 6.3021, 30.0481)
Luminance	0.0630 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3F97 #97832B

analogous

#2B7597 #2B3F97 #4D2B97

triadic

#2B3F97 #972B3F #3F972B

tetradic

#2B3F97 #972B75 #97832B #2B974D

square

#2B3F97 #972B75 #97832B #2B974D

split-complementary

#2B3F97 #974D2B #75972B

monochromatic

#101738 #1D2B67 #2B3F97 #3953C7 #687CD4

Accessibility & contrast

On white

9.29

#2B3F97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#2B3F97 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3F97

9.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3F97	#FFFFFF	#000000	##FFFFFF
##2B3F97	1.00	9.29	2.26	9.29
#FFFFFF	9.29	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004C9A

Deuteranopia (green-blind)

#004295

Tritanopia (blue-blind)

#005564

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2b3f97;
/* rgb */ color: rgb(43, 63, 151);
/* oklch */ color: oklch(40.7% 0.146 269.2);

Tailwind

colors: {
  custom: {
    50: '#7373b6',
    500: '#2b3f97',
    950: '#000000',
  },
}

SCSS

$custom: #2b3f97;
$custom-light: #7373b6;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3f97",
  "rgb": {
    "r": 43,
    "g": 63,
    "b": 151
  },
  "hsl": {
    "h": 228.889,
    "s": 55.67,
    "l": 38.039
  },
  "oklch": {
    "l": 0.40685,
    "c": 0.14589,
    "h": 269.2
  },
  "luminance": 0.06303
}

Semantic roles & 50–950 ramp

primary

#2B3F97

secondary

#BBAA63

accent

#C349DF

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #2B3F97

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

Preview Lab → · Contrast checker → · Palette generator →