#2B258E#2B258E

#2B258E is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.2% C 0.165 H 276.2°. Best body text is #FFFFFF at 11.95:1 contrast (WCAG AA passes).

Color values

HEX	#2B258E
RGB	rgb(43, 37, 142)
HSL	hsl(243, 59%, 35%)
HSV	hsv(243, 74%, 56%)
CMYK	cmyk(69.7%, 73.9%, 0%, 44.3%)
CIE-LAB	lab(22.96, 36.94, -56.86)
CIE-LCH	lch(22.96, 67.80, 303.01°)
OKLab	oklab(35.17% 0.0179 -0.1643)
OKLCH	oklch(35.17% 0.165 276.2)
XYZ	xyz(6.5387, 3.7891, 25.9727)
Luminance	0.0379 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B258E #888E25

analogous

#25538E #2B258E #60258E

triadic

#2B258E #8E2B25 #258E2B

tetradic

#2B258E #8E2553 #888E25 #258E60

square

#2B258E #8E2553 #888E25 #258E60

split-complementary

#2B258E #8E6025 #538E25

monochromatic

#0E0C2D #1C185D #2B258E #3A32BF #615AD4

Accessibility & contrast

On white

11.95

#2B258E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#2B258E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B258E

11.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B258E	#FFFFFF	#000000	##FFFFFF
##2B258E	1.00	11.95	1.76	11.95
#FFFFFF	11.95	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B91

Deuteranopia (green-blind)

#00328C

Tritanopia (blue-blind)

#004257

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #2b258e;
/* rgb */ color: rgb(43, 37, 142);
/* oklch */ color: oklch(35.2% 0.165 276.2);

Tailwind

colors: {
  custom: {
    50: '#7361b0',
    500: '#2b258e',
    950: '#000000',
  },
}

SCSS

$custom: #2b258e;
$custom-light: #7361b0;
$custom-dark: #000000;

JSON

{
  "hex": "#2b258e",
  "rgb": {
    "r": 43,
    "g": 37,
    "b": 142
  },
  "hsl": {
    "h": 243.429,
    "s": 58.659,
    "l": 35.098
  },
  "oklch": {
    "l": 0.35167,
    "c": 0.16527,
    "h": 276.2
  },
  "luminance": 0.0379
}

Semantic roles & 50–950 ramp

primary

#2B258E

secondary

#B3B956

accent

#E246D9

background

#F7F5FB

surface

#EDEAF6

border

#C8C6D0

text

#090511

muted

#7B7980

Preview Lab

Preview with #2B258E

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

Preview Lab → · Contrast checker → · Palette generator →