#2928B3#2928B3

#2928B3 is a dark, highly saturated blue. Relative luminance 0.052; OKLCH L 39.5% C 0.209 H 271.8°. Best body text is #FFFFFF at 10.25:1 contrast (WCAG AA passes).

Color values

HEX	#2928B3
RGB	rgb(41, 40, 179)
HSL	hsl(240, 63%, 43%)
HSV	hsv(240, 78%, 70%)
CMYK	cmyk(77.1%, 77.7%, 0%, 29.8%)
CIE-LAB	lab(27.41, 47.38, -72.03)
CIE-LCH	lch(27.41, 86.22, 303.34°)
OKLab	oklab(39.47% 0.0066 -0.2085)
OKLCH	oklch(39.47% 0.209 271.8)
XYZ	xyz(9.8072, 5.2426, 43.1341)
Luminance	0.0524 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2928B3 #B2B328

analogous

#286CB3 #2928B3 #6F28B3

triadic

#2928B3 #B32928 #28B329

tetradic

#2928B3 #B3286C #B2B328 #28B36F

square

#2928B3 #B3286C #B2B328 #28B36F

split-complementary

#2928B3 #B36F28 #6CB328

monochromatic

#12124F #1E1D81 #2928B3 #4443D5 #7675E0

Accessibility & contrast

On white

10.25

#2928B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#2928B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2928B3

10.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2928B3	#FFFFFF	#000000	##FFFFFF
##2928B3	1.00	10.25	2.05	10.25
#FFFFFF	10.25	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048B7

Deuteranopia (green-blind)

#003AB1

Tritanopia (blue-blind)

#00526D

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2928b3;
/* rgb */ color: rgb(41, 40, 179);
/* oklch */ color: oklch(39.5% 0.209 271.8);

Tailwind

colors: {
  custom: {
    50: '#7b65cb',
    500: '#2928b3',
    950: '#000000',
  },
}

SCSS

$custom: #2928b3;
$custom-light: #7b65cb;
$custom-dark: #000000;

JSON

{
  "hex": "#2928b3",
  "rgb": {
    "r": 41,
    "g": 40,
    "b": 179
  },
  "hsl": {
    "h": 240.432,
    "s": 63.47,
    "l": 42.941
  },
  "oklch": {
    "l": 0.39465,
    "c": 0.20862,
    "h": 271.8
  },
  "luminance": 0.05244
}

Semantic roles & 50–950 ramp

primary

#2928B3

secondary

#C7C86F

accent

#E641E5

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #2928B3

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

Preview Lab → · Contrast checker → · Palette generator →