#2931B2#2931B2

#2931B2 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.6% C 0.199 H 270.9°. Best body text is #FFFFFF at 9.65:1 contrast (WCAG AA passes).

Color values

HEX	#2931B2
RGB	rgb(41, 49, 178)
HSL	hsl(236, 63%, 43%)
HSV	hsv(236, 77%, 70%)
CMYK	cmyk(77%, 72.5%, 0%, 30.2%)
CIE-LAB	lab(29.11, 41.96, -68.63)
CIE-LCH	lch(29.11, 80.44, 301.44°)
OKLab	oklab(40.64% 0.0031 -0.1987)
OKLCH	oklch(40.64% 0.199 270.9)
XYZ	xyz(10.0459, 5.8813, 42.7166)
Luminance	0.0588 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.27

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2931B2 #B2AA29

analogous

#2976B2 #2931B2 #6529B2

triadic

#2931B2 #B22931 #31B229

tetradic

#2931B2 #B22976 #B2AA29 #29B265

square

#2931B2 #B22976 #B2AA29 #29B265

split-complementary

#2931B2 #B26529 #76B229

monochromatic

#12164F #1E2380 #2931B2 #444DD4 #767CDF

Accessibility & contrast

On white

9.65

#2931B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#2931B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2931B2

9.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2931B2	#FFFFFF	#000000	##FFFFFF
##2931B2	1.00	9.65	2.18	9.65
#FFFFFF	9.65	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BB6

Deuteranopia (green-blind)

#003EB0

Tritanopia (blue-blind)

#00566E

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2931b2;
/* rgb */ color: rgb(41, 49, 178);
/* oklch */ color: oklch(40.6% 0.199 270.9);

Tailwind

colors: {
  custom: {
    50: '#7a6aca',
    500: '#2931b2',
    950: '#000000',
  },
}

SCSS

$custom: #2931b2;
$custom-light: #7a6aca;
$custom-dark: #000000;

JSON

{
  "hex": "#2931b2",
  "rgb": {
    "r": 41,
    "g": 49,
    "b": 178
  },
  "hsl": {
    "h": 236.496,
    "s": 62.557,
    "l": 42.941
  },
  "oklch": {
    "l": 0.40637,
    "c": 0.19873,
    "h": 270.9
  },
  "luminance": 0.05882
}

Semantic roles & 50–950 ramp

primary

#2931B2

secondary

#C7C270

accent

#DC42E6

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #2931B2

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

Preview Lab → · Contrast checker → · Palette generator →