#2A257E#2A257E

#2A257E is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.5% C 0.144 H 277.7°. Best body text is #FFFFFF at 12.62:1 contrast (WCAG AA passes).

Color values

HEX	#2A257E
RGB	rgb(42, 37, 126)
HSL	hsl(243, 55%, 32%)
HSV	hsv(243, 71%, 49%)
CMYK	cmyk(66.7%, 70.6%, 0%, 50.6%)
CIE-LAB	lab(21.29, 31.27, -49.58)
CIE-LCH	lch(21.29, 58.61, 302.24°)
OKLab	oklab(33.46% 0.0193 -0.143)
OKLCH	oklch(33.46% 0.144 277.7)
XYZ	xyz(5.3811, 3.3213, 20.0921)
Luminance	0.0332 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A257E #797E25

analogous

#254D7E #2A257E #57257E

triadic

#2A257E #7E2A25 #257E2A

tetradic

#2A257E #7E254D #797E25 #257E57

square

#2A257E #7E254D #797E25 #257E57

split-complementary

#2A257E #7E5725 #4D7E25

monochromatic

#0A091F #1A174F #2A257E #3A33AD #5851CC

Accessibility & contrast

On white

12.62

#2A257E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#2A257E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A257E

12.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A257E	#FFFFFF	#000000	##FFFFFF
##2A257E	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)

#003781

Deuteranopia (green-blind)

#002F7C

Tritanopia (blue-blind)

#003D4E

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #2a257e;
/* rgb */ color: rgb(42, 37, 126);
/* oklch */ color: oklch(33.5% 0.144 277.7);

Tailwind

colors: {
  custom: {
    50: '#6f60a4',
    500: '#2a257e',
    950: '#000000',
  },
}

SCSS

$custom: #2a257e;
$custom-light: #6f60a4;
$custom-dark: #000000;

JSON

{
  "hex": "#2a257e",
  "rgb": {
    "r": 42,
    "g": 37,
    "b": 126
  },
  "hsl": {
    "h": 243.371,
    "s": 54.601,
    "l": 31.961
  },
  "oklch": {
    "l": 0.33463,
    "c": 0.14433,
    "h": 277.7
  },
  "luminance": 0.03322
}

Semantic roles & 50–950 ramp

primary

#2A257E

secondary

#ABB04F

accent

#DE4AD6

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08050F

muted

#7B797F

Preview Lab

Preview with #2A257E

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

Preview Lab → · Contrast checker → · Palette generator →