#252F4E#252F4E

#252F4E is a dark, muted blue. Relative luminance 0.030; OKLCH L 31.2% C 0.058 H 269.3°. Best body text is #FFFFFF at 13.16:1 contrast (WCAG AA passes).

Color values

HEX	#252F4E
RGB	rgb(37, 47, 78)
HSL	hsl(225, 36%, 23%)
HSV	hsv(225, 53%, 31%)
CMYK	cmyk(52.6%, 39.7%, 0%, 69.4%)
CIE-LAB	lab(19.95, 5.73, -20.42)
CIE-LCH	lch(19.95, 21.21, 285.67°)
OKLab	oklab(31.19% -0.0007 -0.0575)
OKLCH	oklch(31.19% 0.058 269.3)
XYZ	xyz(3.1542, 2.9762, 7.6145)
Luminance	0.0298 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252F4E #4E4425

analogous

#25434E #252F4E #30254E

triadic

#252F4E #4E252F #2F4E25

tetradic

#252F4E #4E2543 #4E4425 #254E30

square

#252F4E #4E2543 #4E4425 #254E30

split-complementary

#252F4E #4E3025 #434E25

monochromatic

#0A0D15 #111624 #252F4E #394878 #4C61A1

Accessibility & contrast

On white

13.16

#252F4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#252F4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252F4E

13.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252F4E	#FFFFFF	#000000	##FFFFFF
##252F4E	1.00	13.16	1.60	13.16
#FFFFFF	13.16	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#23324F

Deuteranopia (green-blind)

#1F2F4D

Tritanopia (blue-blind)

#15363A

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #252f4e;
/* rgb */ color: rgb(37, 47, 78);
/* oklch */ color: oklch(31.2% 0.058 269.3);

Tailwind

colors: {
  custom: {
    50: '#62677f',
    500: '#252f4e',
    950: '#000000',
  },
}

SCSS

$custom: #252f4e;
$custom-light: #62677f;
$custom-dark: #000000;

JSON

{
  "hex": "#252f4e",
  "rgb": {
    "r": 37,
    "g": 47,
    "b": 78
  },
  "hsl": {
    "h": 225.366,
    "s": 35.652,
    "l": 22.549
  },
  "oklch": {
    "l": 0.31191,
    "c": 0.05754,
    "h": 269.3
  },
  "luminance": 0.02976
}

Semantic roles & 50–950 ramp

primary

#252F4E

secondary

#81754E

accent

#B05CCC

background

#F5F6F7

surface

#EAEBEE

border

#C6C6C9

text

#05060A

muted

#797A7C

Preview Lab

Preview with #252F4E

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

Preview Lab → · Contrast checker → · Palette generator →