#252AA1#252AA1

#252AA1 is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.6% C 0.186 H 271.4°. Best body text is #FFFFFF at 10.91:1 contrast (WCAG AA passes).

Color values

HEX	#252AA1
RGB	rgb(37, 42, 161)
HSL	hsl(238, 63%, 39%)
HSV	hsv(238, 77%, 63%)
CMYK	cmyk(77%, 73.9%, 0%, 36.9%)
CIE-LAB	lab(25.63, 39.89, -64.15)
CIE-LCH	lch(25.63, 75.54, 301.87°)
OKLab	oklab(37.56% 0.0045 -0.1857)
OKLCH	oklch(37.56% 0.186 271.4)
XYZ	xyz(8.0218, 4.6216, 34.1806)
Luminance	0.0462 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252AA1 #A19C25

analogous

#2568A1 #252AA1 #5E25A1

triadic

#252AA1 #A1252A #2AA125

tetradic

#252AA1 #A12568 #A19C25 #25A15E

square

#252AA1 #A12568 #A19C25 #25A15E

split-complementary

#252AA1 #A15E25 #68A125

monochromatic

#0E103D #1A1D6F #252AA1 #3339D0 #656ADC

Accessibility & contrast

On white

10.91

#252AA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#252AA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252AA1

10.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252AA1	#FFFFFF	#000000	##FFFFFF
##252AA1	1.00	10.91	1.92	10.91
#FFFFFF	10.91	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043A5

Deuteranopia (green-blind)

#00379F

Tritanopia (blue-blind)

#004C63

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #252aa1;
/* rgb */ color: rgb(37, 42, 161);
/* oklch */ color: oklch(37.6% 0.186 271.4);

Tailwind

colors: {
  custom: {
    50: '#7565be',
    500: '#252aa1',
    950: '#000000',
  },
}

SCSS

$custom: #252aa1;
$custom-light: #7565be;
$custom-dark: #000000;

JSON

{
  "hex": "#252aa1",
  "rgb": {
    "r": 37,
    "g": 42,
    "b": 161
  },
  "hsl": {
    "h": 237.581,
    "s": 62.626,
    "l": 38.824
  },
  "oklch": {
    "l": 0.37561,
    "c": 0.18577,
    "h": 271.4
  },
  "luminance": 0.04622
}

Semantic roles & 50–950 ramp

primary

#252AA1

secondary

#C1BD61

accent

#DF42E6

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #252AA1

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

Preview Lab → · Contrast checker → · Palette generator →