#2B257E#2B257E

#2B257E is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.5% C 0.144 H 278.2°. Best body text is #FFFFFF at 12.59:1 contrast (WCAG AA passes).

Color values

HEX	#2B257E
RGB	rgb(43, 37, 126)
HSL	hsl(244, 55%, 32%)
HSV	hsv(244, 71%, 49%)
CMYK	cmyk(65.9%, 70.6%, 0%, 50.6%)
CIE-LAB	lab(21.37, 31.42, -49.44)
CIE-LCH	lch(21.37, 58.58, 302.43°)
OKLab	oklab(33.54% 0.0207 -0.1426)
OKLCH	oklch(33.54% 0.144 278.2)
XYZ	xyz(5.4225, 3.3427, 20.0941)
Luminance	0.0334 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B257E #787E25

analogous

#254C7E #2B257E #58257E

triadic

#2B257E #7E2B25 #257E2B

tetradic

#2B257E #7E254C #787E25 #257E58

square

#2B257E #7E254C #787E25 #257E58

split-complementary

#2B257E #7E5825 #4C7E25

monochromatic

#0B091F #1B174F #2B257E #3B33AD #5A51CC

Accessibility & contrast

On white

12.59

#2B257E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#2B257E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B257E

12.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B257E	#FFFFFF	#000000	##FFFFFF
##2B257E	1.00	12.59	1.67	12.59
#FFFFFF	12.59	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003781

Deuteranopia (green-blind)

#00307C

Tritanopia (blue-blind)

#003D4E

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #2b257e;
/* rgb */ color: rgb(43, 37, 126);
/* oklch */ color: oklch(33.5% 0.144 278.2);

Tailwind

colors: {
  custom: {
    50: '#7060a4',
    500: '#2b257e',
    950: '#000000',
  },
}

SCSS

$custom: #2b257e;
$custom-light: #7060a4;
$custom-dark: #000000;

JSON

{
  "hex": "#2b257e",
  "rgb": {
    "r": 43,
    "g": 37,
    "b": 126
  },
  "hsl": {
    "h": 244.045,
    "s": 54.601,
    "l": 31.961
  },
  "oklch": {
    "l": 0.33541,
    "c": 0.1441,
    "h": 278.2
  },
  "luminance": 0.03343
}

Semantic roles & 50–950 ramp

primary

#2B257E

secondary

#AAB04F

accent

#DE4AD4

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08050F

muted

#7B797F

Preview Lab

Preview with #2B257E

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

Preview Lab → · Contrast checker → · Palette generator →