#252DA6#252DA6

#252DA6 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 38.6% C 0.189 H 270.7°. Best body text is #FFFFFF at 10.48:1 contrast (WCAG AA passes).

Color values

HEX	#252DA6
RGB	rgb(37, 45, 166)
HSL	hsl(236, 64%, 40%)
HSV	hsv(236, 78%, 65%)
CMYK	cmyk(77.7%, 72.9%, 0%, 34.9%)
CIE-LAB	lab(26.80, 39.84, -65.25)
CIE-LCH	lch(26.80, 76.45, 301.40°)
OKLab	oklab(38.55% 0.0024 -0.1889)
OKLCH	oklch(38.55% 0.189 270.7)
XYZ	xyz(8.5819, 5.0223, 36.5861)
Luminance	0.0502 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252DA6 #A69E25

analogous

#256EA6 #252DA6 #5E25A6

triadic

#252DA6 #A6252D #2DA625

tetradic

#252DA6 #A6256E #A69E25 #25A65E

square

#252DA6 #A6256E #A69E25 #25A65E

split-complementary

#252DA6 #A65E25 #6EA625

monochromatic

#0F1242 #1A1F74 #252DA6 #3640D2 #686FDD

Accessibility & contrast

On white

10.48

#252DA6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#252DA6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252DA6

10.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252DA6	#FFFFFF	#000000	##FFFFFF
##252DA6	1.00	10.48	2.00	10.48
#FFFFFF	10.48	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046AA

Deuteranopia (green-blind)

#0039A4

Tritanopia (blue-blind)

#005066

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #252da6;
/* rgb */ color: rgb(37, 45, 166);
/* oklch */ color: oklch(38.6% 0.189 270.7);

Tailwind

colors: {
  custom: {
    50: '#7667c2',
    500: '#252da6',
    950: '#000000',
  },
}

SCSS

$custom: #252da6;
$custom-light: #7667c2;
$custom-dark: #000000;

JSON

{
  "hex": "#252da6",
  "rgb": {
    "r": 37,
    "g": 45,
    "b": 166
  },
  "hsl": {
    "h": 236.279,
    "s": 63.547,
    "l": 39.804
  },
  "oklch": {
    "l": 0.38554,
    "c": 0.18896,
    "h": 270.7
  },
  "luminance": 0.05023
}

Semantic roles & 50–950 ramp

primary

#252DA6

secondary

#C3BD64

accent

#DC41E7

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #252DA6

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

Preview Lab → · Contrast checker → · Palette generator →