#2B238D#2B238D

#2B238D is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.8% C 0.166 H 276.7°. Best body text is #FFFFFF at 12.15:1 contrast (WCAG AA passes).

Color values

HEX	#2B238D
RGB	rgb(43, 35, 141)
HSL	hsl(245, 60%, 35%)
HSV	hsv(245, 75%, 55%)
CMYK	cmyk(69.5%, 75.2%, 0%, 44.7%)
CIE-LAB	lab(22.44, 37.77, -57.10)
CIE-LCH	lch(22.44, 68.47, 303.48°)
OKLab	oklab(34.76% 0.0194 -0.165)
OKLCH	oklch(34.76% 0.166 276.7)
XYZ	xyz(6.4034, 3.6382, 25.5589)
Luminance	0.0364 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B238D #858D23

analogous

#23508D #2B238D #60238D

triadic

#2B238D #8D2B23 #238D2B

tetradic

#2B238D #8D2350 #858D23 #238D60

square

#2B238D #8D2350 #858D23 #238D60

split-complementary

#2B238D #8D6023 #508D23

monochromatic

#0D0B2B #1C175C #2B238D #3A2FBE #5F55D5

Accessibility & contrast

On white

12.15

#2B238D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#2B238D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B238D

12.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B238D	#FFFFFF	#000000	##FFFFFF
##2B238D	1.00	12.15	1.73	12.15
#FFFFFF	12.15	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A90

Deuteranopia (green-blind)

#00318B

Tritanopia (blue-blind)

#004156

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #2b238d;
/* rgb */ color: rgb(43, 35, 141);
/* oklch */ color: oklch(34.8% 0.166 276.7);

Tailwind

colors: {
  custom: {
    50: '#7360af',
    500: '#2b238d',
    950: '#000000',
  },
}

SCSS

$custom: #2b238d;
$custom-light: #7360af;
$custom-dark: #000000;

JSON

{
  "hex": "#2b238d",
  "rgb": {
    "r": 43,
    "g": 35,
    "b": 141
  },
  "hsl": {
    "h": 244.528,
    "s": 60.227,
    "l": 34.51
  },
  "oklch": {
    "l": 0.34763,
    "c": 0.16612,
    "h": 276.7
  },
  "luminance": 0.03639
}

Semantic roles & 50–950 ramp

primary

#2B238D

secondary

#B1B953

accent

#E344D7

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#090511

muted

#7B7980

Preview Lab

Preview with #2B238D

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

Preview Lab → · Contrast checker → · Palette generator →