#2B257F#2B257F

#2B257F is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.6% C 0.145 H 278.1°. Best body text is #FFFFFF at 12.55:1 contrast (WCAG AA passes).

Color values

HEX	#2B257F
RGB	rgb(43, 37, 127)
HSL	hsl(244, 55%, 32%)
HSV	hsv(244, 71%, 50%)
CMYK	cmyk(66.1%, 70.9%, 0%, 50.2%)
CIE-LAB	lab(21.46, 31.77, -49.92)
CIE-LCH	lch(21.46, 59.17, 302.47°)
OKLab	oklab(33.64% 0.0205 -0.144)
OKLCH	oklch(33.64% 0.145 278.1)
XYZ	xyz(5.4874, 3.3686, 20.4356)
Luminance	0.0337 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B257F #797F25

analogous

#254C7F #2B257F #58257F

triadic

#2B257F #7F2B25 #257F2B

tetradic

#2B257F #7F254C #797F25 #257F58

square

#2B257F #7F254C #797F25 #257F58

split-complementary

#2B257F #7F5825 #4C7F25

monochromatic

#0B0920 #1B1750 #2B257F #3B33AE #5A52CD

Accessibility & contrast

On white

12.55

#2B257F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#2B257F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B257F

12.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B257F	#FFFFFF	#000000	##FFFFFF
##2B257F	1.00	12.55	1.67	12.55
#FFFFFF	12.55	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003782

Deuteranopia (green-blind)

#00307D

Tritanopia (blue-blind)

#003D4F

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #2b257f;
/* rgb */ color: rgb(43, 37, 127);
/* oklch */ color: oklch(33.6% 0.145 278.1);

Tailwind

colors: {
  custom: {
    50: '#7060a5',
    500: '#2b257f',
    950: '#000000',
  },
}

SCSS

$custom: #2b257f;
$custom-light: #7060a5;
$custom-dark: #000000;

JSON

{
  "hex": "#2b257f",
  "rgb": {
    "r": 43,
    "g": 37,
    "b": 127
  },
  "hsl": {
    "h": 244,
    "s": 54.878,
    "l": 32.157
  },
  "oklch": {
    "l": 0.3364,
    "c": 0.14545,
    "h": 278.1
  },
  "luminance": 0.03369
}

Semantic roles & 50–950 ramp

primary

#2B257F

secondary

#AAB14F

accent

#DE4AD4

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08050F

muted

#7B797F

Preview Lab

Preview with #2B257F

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

Preview Lab → · Contrast checker → · Palette generator →