#2B258F#2B258F

#2B258F is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.3% C 0.167 H 276.1°. Best body text is #FFFFFF at 11.90:1 contrast (WCAG AA passes).

Color values

HEX	#2B258F
RGB	rgb(43, 37, 143)
HSL	hsl(243, 59%, 35%)
HSV	hsv(243, 74%, 56%)
CMYK	cmyk(69.9%, 74.1%, 0%, 43.9%)
CIE-LAB	lab(23.06, 37.28, -57.31)
CIE-LCH	lch(23.06, 68.37, 303.04°)
OKLab	oklab(35.27% 0.0177 -0.1656)
OKLCH	oklch(35.27% 0.167 276.1)
XYZ	xyz(6.6141, 3.8193, 26.3699)
Luminance	0.0382 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B258F #898F25

analogous

#25548F #2B258F #60258F

triadic

#2B258F #8F2B25 #258F2B

tetradic

#2B258F #8F2554 #898F25 #258F60

square

#2B258F #8F2554 #898F25 #258F60

split-complementary

#2B258F #8F6025 #548F25

monochromatic

#0E0C2E #1C185E #2B258F #3A32C0 #615AD4

Accessibility & contrast

On white

11.90

#2B258F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#2B258F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B258F

11.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B258F	#FFFFFF	#000000	##FFFFFF
##2B258F	1.00	11.90	1.76	11.90
#FFFFFF	11.90	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C92

Deuteranopia (green-blind)

#00328D

Tritanopia (blue-blind)

#004357

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #2b258f;
/* rgb */ color: rgb(43, 37, 143);
/* oklch */ color: oklch(35.3% 0.167 276.1);

Tailwind

colors: {
  custom: {
    50: '#7361b1',
    500: '#2b258f',
    950: '#000000',
  },
}

SCSS

$custom: #2b258f;
$custom-light: #7361b1;
$custom-dark: #000000;

JSON

{
  "hex": "#2b258f",
  "rgb": {
    "r": 43,
    "g": 37,
    "b": 143
  },
  "hsl": {
    "h": 243.396,
    "s": 58.889,
    "l": 35.294
  },
  "oklch": {
    "l": 0.35272,
    "c": 0.16656,
    "h": 276.1
  },
  "luminance": 0.0382
}

Semantic roles & 50–950 ramp

primary

#2B258F

secondary

#B3B957

accent

#E246D9

background

#F7F5FB

surface

#EEEAF6

border

#C9C6D0

text

#090511

muted

#7B7980

Preview Lab

Preview with #2B258F

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

Preview Lab → · Contrast checker → · Palette generator →