#252FAF#252FAF

#252FAF is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.8% C 0.198 H 270.1°. Best body text is #FFFFFF at 9.98:1 contrast (WCAG AA passes).

Color values

HEX	#252FAF
RGB	rgb(37, 47, 175)
HSL	hsl(236, 65%, 42%)
HSV	hsv(236, 79%, 69%)
CMYK	cmyk(78.9%, 73.1%, 0%, 31.4%)
CIE-LAB	lab(28.17, 41.78, -68.40)
CIE-LCH	lch(28.17, 80.15, 301.42°)
OKLab	oklab(39.82% 0.0003 -0.1981)
OKLCH	oklch(39.82% 0.198 270.1)
XYZ	xyz(9.5147, 5.5204, 41.1132)
Luminance	0.0552 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252FAF #AFA525

analogous

#2574AF #252FAF #6025AF

triadic

#252FAF #AF252F #2FAF25

tetradic

#252FAF #AF2574 #AFA525 #25AF60

square

#252FAF #AF2574 #AFA525 #25AF60

split-complementary

#252FAF #AF6025 #74AF25

monochromatic

#10144A #1A217C #252FAF #3C47D6 #6E76E0

Accessibility & contrast

On white

9.98

#252FAF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#252FAF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252FAF

9.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252FAF	#FFFFFF	#000000	##FFFFFF
##252FAF	1.00	9.98	2.10	9.98
#FFFFFF	9.98	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	9.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049B3

Deuteranopia (green-blind)

#003CAD

Tritanopia (blue-blind)

#00546C

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #252faf;
/* rgb */ color: rgb(37, 47, 175);
/* oklch */ color: oklch(39.8% 0.198 270.1);

Tailwind

colors: {
  custom: {
    50: '#7869c8',
    500: '#252faf',
    950: '#000000',
  },
}

SCSS

$custom: #252faf;
$custom-light: #7869c8;
$custom-dark: #000000;

JSON

{
  "hex": "#252faf",
  "rgb": {
    "r": 37,
    "g": 47,
    "b": 175
  },
  "hsl": {
    "h": 235.652,
    "s": 65.094,
    "l": 41.569
  },
  "oklch": {
    "l": 0.39815,
    "c": 0.19811,
    "h": 270.1
  },
  "luminance": 0.05521
}

Semantic roles & 50–950 ramp

primary

#252FAF

secondary

#C7C069

accent

#DC40E8

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #252FAF

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

Preview Lab → · Contrast checker → · Palette generator →