#2B257C#2B257C

#2B257C is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.3% C 0.141 H 278.5°. Best body text is #FFFFFF at 12.66:1 contrast (WCAG AA passes).

Color values

HEX	#2B257C
RGB	rgb(43, 37, 124)
HSL	hsl(244, 54%, 32%)
HSV	hsv(244, 70%, 49%)
CMYK	cmyk(65.3%, 70.2%, 0%, 51.4%)
CIE-LAB	lab(21.18, 30.72, -48.49)
CIE-LCH	lch(21.18, 57.40, 302.36°)
OKLab	oklab(33.34% 0.021 -0.1398)
OKLCH	oklch(33.34% 0.141 278.5)
XYZ	xyz(5.2948, 3.2915, 19.4212)
Luminance	0.0329 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B257C #767C25

analogous

#254B7C #2B257C #57257C

triadic

#2B257C #7C2B25 #257C2B

tetradic

#2B257C #7C254B #767C25 #257C57

square

#2B257C #7C254B #767C25 #257C57

split-complementary

#2B257C #7C5725 #4B7C25

monochromatic

#0A091E #1B174D #2B257C #3B33AB #5950CB

Accessibility & contrast

On white

12.66

#2B257C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#2B257C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B257C

12.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B257C	#FFFFFF	#000000	##FFFFFF
##2B257C	1.00	12.66	1.66	12.66
#FFFFFF	12.66	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00367F

Deuteranopia (green-blind)

#002F7A

Tritanopia (blue-blind)

#003C4D

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #2b257c;
/* rgb */ color: rgb(43, 37, 124);
/* oklch */ color: oklch(33.3% 0.141 278.5);

Tailwind

colors: {
  custom: {
    50: '#6f60a3',
    500: '#2b257c',
    950: '#000000',
  },
}

SCSS

$custom: #2b257c;
$custom-light: #6f60a3;
$custom-dark: #000000;

JSON

{
  "hex": "#2b257c",
  "rgb": {
    "r": 43,
    "g": 37,
    "b": 124
  },
  "hsl": {
    "h": 244.138,
    "s": 54.037,
    "l": 31.569
  },
  "oklch": {
    "l": 0.33344,
    "c": 0.14137,
    "h": 278.5
  },
  "luminance": 0.03292
}

Semantic roles & 50–950 ramp

primary

#2B257C

secondary

#A8AE4F

accent

#DD4AD3

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08050F

muted

#7B797F

Preview Lab

Preview with #2B257C

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

Preview Lab → · Contrast checker → · Palette generator →