#2F257C#2F257C

#2F257C is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.7% C 0.141 H 280.9°. Best body text is #FFFFFF at 12.53:1 contrast (WCAG AA passes).

Color values

HEX	#2F257C
RGB	rgb(47, 37, 124)
HSL	hsl(247, 54%, 32%)
HSV	hsv(247, 70%, 49%)
CMYK	cmyk(62.1%, 70.2%, 0%, 51.4%)
CIE-LAB	lab(21.51, 31.35, -47.92)
CIE-LCH	lch(21.51, 57.26, 303.20°)
OKLab	oklab(33.67% 0.0266 -0.138)
OKLCH	oklch(33.67% 0.141 280.9)
XYZ	xyz(5.4708, 3.3823, 19.4294)
Luminance	0.0338 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F257C #727C25

analogous

#25477C #2F257C #5B257C

triadic

#2F257C #7C2F25 #257C2F

tetradic

#2F257C #7C2547 #727C25 #257C5B

square

#2F257C #7C2547 #727C25 #257C5B

split-complementary

#2F257C #7C5B25 #477C25

monochromatic

#0B091E #1D174D #2F257C #4133AB #5F50CB

Accessibility & contrast

On white

12.53

#2F257C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#2F257C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F257C

12.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F257C	#FFFFFF	#000000	##FFFFFF
##2F257C	1.00	12.53	1.68	12.53
#FFFFFF	12.53	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00377F

Deuteranopia (green-blind)

#00307A

Tritanopia (blue-blind)

#003C4D

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #2f257c;
/* rgb */ color: rgb(47, 37, 124);
/* oklch */ color: oklch(33.7% 0.141 280.9);

Tailwind

colors: {
  custom: {
    50: '#7160a3',
    500: '#2f257c',
    950: '#000000',
  },
}

SCSS

$custom: #2f257c;
$custom-light: #7160a3;
$custom-dark: #000000;

JSON

{
  "hex": "#2f257c",
  "rgb": {
    "r": 47,
    "g": 37,
    "b": 124
  },
  "hsl": {
    "h": 246.897,
    "s": 54.037,
    "l": 31.569
  },
  "oklch": {
    "l": 0.33674,
    "c": 0.14057,
    "h": 280.9
  },
  "luminance": 0.03383
}

Semantic roles & 50–950 ramp

primary

#2F257C

secondary

#A3AE4F

accent

#DD4ACD

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08050F

muted

#7B797F

Preview Lab

Preview with #2F257C

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

Preview Lab → · Contrast checker → · Palette generator →