#2B257D#2B257D

#2B257D is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.4% C 0.143 H 278.4°. Best body text is #FFFFFF at 12.62:1 contrast (WCAG AA passes).

Color values

HEX	#2B257D
RGB	rgb(43, 37, 125)
HSL	hsl(244, 54%, 32%)
HSV	hsv(244, 70%, 49%)
CMYK	cmyk(65.6%, 70.4%, 0%, 51%)
CIE-LAB	lab(21.27, 31.07, -48.96)
CIE-LCH	lch(21.27, 57.99, 302.40°)
OKLab	oklab(33.44% 0.0208 -0.1412)
OKLCH	oklch(33.44% 0.143 278.4)
XYZ	xyz(5.3583, 3.3170, 19.7559)
Luminance	0.0332 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B257D #777D25

analogous

#254B7D #2B257D #57257D

triadic

#2B257D #7D2B25 #257D2B

tetradic

#2B257D #7D254B #777D25 #257D57

square

#2B257D #7D254B #777D25 #257D57

split-complementary

#2B257D #7D5725 #4B7D25

monochromatic

#0B091F #1B174E #2B257D #3B33AC #5951CB

Accessibility & contrast

On white

12.62

#2B257D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#2B257D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B257D

12.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B257D	#FFFFFF	#000000	##FFFFFF
##2B257D	1.00	12.62	1.66	12.62
#FFFFFF	12.62	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003780

Deuteranopia (green-blind)

#002F7B

Tritanopia (blue-blind)

#003C4E

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #2b257d;
/* rgb */ color: rgb(43, 37, 125);
/* oklch */ color: oklch(33.4% 0.143 278.4);

Tailwind

colors: {
  custom: {
    50: '#6f60a4',
    500: '#2b257d',
    950: '#000000',
  },
}

SCSS

$custom: #2b257d;
$custom-light: #6f60a4;
$custom-dark: #000000;

JSON

{
  "hex": "#2b257d",
  "rgb": {
    "r": 43,
    "g": 37,
    "b": 125
  },
  "hsl": {
    "h": 244.091,
    "s": 54.321,
    "l": 31.765
  },
  "oklch": {
    "l": 0.33443,
    "c": 0.14274,
    "h": 278.4
  },
  "luminance": 0.03317
}

Semantic roles & 50–950 ramp

primary

#2B257D

secondary

#A9AF4F

accent

#DE4AD4

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08050F

muted

#7B797F

Preview Lab

Preview with #2B257D

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

Preview Lab → · Contrast checker → · Palette generator →