#252DA5#252DA5

#252DA5 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 38.4% C 0.188 H 270.8°. Best body text is #FFFFFF at 10.51:1 contrast (WCAG AA passes).

Color values

HEX	#252DA5
RGB	rgb(37, 45, 165)
HSL	hsl(236, 63%, 40%)
HSV	hsv(236, 78%, 65%)
CMYK	cmyk(77.6%, 72.7%, 0%, 35.3%)
CIE-LAB	lab(26.69, 39.49, -64.82)
CIE-LCH	lch(26.69, 75.90, 301.35°)
OKLab	oklab(38.45% 0.0025 -0.1877)
OKLCH	oklch(38.45% 0.188 270.8)
XYZ	xyz(8.4906, 4.9858, 36.1049)
Luminance	0.0499 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252DA5 #A59D25

analogous

#256DA5 #252DA5 #5D25A5

triadic

#252DA5 #A5252D #2DA525

tetradic

#252DA5 #A5256D #A59D25 #25A55D

square

#252DA5 #A5256D #A59D25 #25A55D

split-complementary

#252DA5 #A55D25 #6DA525

monochromatic

#0F1241 #1A1F73 #252DA5 #353FD2 #676FDD

Accessibility & contrast

On white

10.51

#252DA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#252DA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252DA5

10.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252DA5	#FFFFFF	#000000	##FFFFFF
##252DA5	1.00	10.51	2.00	10.51
#FFFFFF	10.51	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045A9

Deuteranopia (green-blind)

#0039A3

Tritanopia (blue-blind)

#004F66

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #252da5;
/* rgb */ color: rgb(37, 45, 165);
/* oklch */ color: oklch(38.4% 0.188 270.8);

Tailwind

colors: {
  custom: {
    50: '#7667c1',
    500: '#252da5',
    950: '#000000',
  },
}

SCSS

$custom: #252da5;
$custom-light: #7667c1;
$custom-dark: #000000;

JSON

{
  "hex": "#252da5",
  "rgb": {
    "r": 37,
    "g": 45,
    "b": 165
  },
  "hsl": {
    "h": 236.25,
    "s": 63.366,
    "l": 39.608
  },
  "oklch": {
    "l": 0.38448,
    "c": 0.1877,
    "h": 270.8
  },
  "luminance": 0.04987
}

Semantic roles & 50–950 ramp

primary

#252DA5

secondary

#C3BD63

accent

#DC41E6

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #252DA5

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

Preview Lab → · Contrast checker → · Palette generator →