#252EA5#252EA5

#252EA5 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.6% C 0.187 H 270.6°. Best body text is #FFFFFF at 10.43:1 contrast (WCAG AA passes).

Color values

HEX	#252EA5
RGB	rgb(37, 46, 165)
HSL	hsl(236, 63%, 40%)
HSV	hsv(236, 78%, 65%)
CMYK	cmyk(77.6%, 72.1%, 0%, 35.3%)
CIE-LAB	lab(26.91, 38.88, -64.46)
CIE-LCH	lch(26.91, 75.28, 301.10°)
OKLab	oklab(38.61% 0.0021 -0.1866)
OKLCH	oklch(38.61% 0.187 270.6)
XYZ	xyz(8.5292, 5.0630, 36.1178)
Luminance	0.0506 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252EA5 #A59C25

analogous

#256EA5 #252EA5 #5C25A5

triadic

#252EA5 #A5252E #2EA525

tetradic

#252EA5 #A5256E #A59C25 #25A55C

square

#252EA5 #A5256E #A59C25 #25A55C

split-complementary

#252EA5 #A55C25 #6EA525

monochromatic

#0F1241 #1A2073 #252EA5 #3540D2 #6770DD

Accessibility & contrast

On white

10.43

#252EA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#252EA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252EA5

10.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252EA5	#FFFFFF	#000000	##FFFFFF
##252EA5	1.00	10.43	2.01	10.43
#FFFFFF	10.43	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046A9

Deuteranopia (green-blind)

#0039A3

Tritanopia (blue-blind)

#005066

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #252ea5;
/* rgb */ color: rgb(37, 46, 165);
/* oklch */ color: oklch(38.6% 0.187 270.6);

Tailwind

colors: {
  custom: {
    50: '#7667c1',
    500: '#252ea5',
    950: '#000000',
  },
}

SCSS

$custom: #252ea5;
$custom-light: #7667c1;
$custom-dark: #000000;

JSON

{
  "hex": "#252ea5",
  "rgb": {
    "r": 37,
    "g": 46,
    "b": 165
  },
  "hsl": {
    "h": 235.781,
    "s": 63.366,
    "l": 39.608
  },
  "oklch": {
    "l": 0.38605,
    "c": 0.18664,
    "h": 270.6
  },
  "luminance": 0.05064
}

Semantic roles & 50–950 ramp

primary

#252EA5

secondary

#C3BC63

accent

#DB41E6

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #252EA5

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

Preview Lab → · Contrast checker → · Palette generator →