#25178F#25178F

#25178F is a dark, vivid blue. Relative luminance 0.030; OKLCH L 33.0% C 0.181 H 275.2°. Best body text is #FFFFFF at 13.14:1 contrast (WCAG AA passes).

Color values

HEX	#25178F
RGB	rgb(37, 23, 143)
HSL	hsl(247, 72%, 33%)
HSV	hsv(247, 84%, 56%)
CMYK	cmyk(74.1%, 83.9%, 0%, 43.9%)
CIE-LAB	lab(20.00, 44.20, -62.39)
CIE-LCH	lch(20.00, 76.47, 305.31°)
OKLab	oklab(33.01% 0.0163 -0.1804)
OKLCH	oklch(33.01% 0.181 275.2)
XYZ	xyz(6.0256, 2.9887, 26.2406)
Luminance	0.0299 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25178F #818F17

analogous

#17458F #25178F #61178F

triadic

#25178F #8F2517 #178F25

tetradic

#25178F #8F1745 #818F17 #178F61

square

#25178F #8F1745 #818F17 #178F61

split-complementary

#25178F #8F6117 #458F17

monochromatic

#0A0626 #170F5A #25178F #331FC4 #5340E0

Accessibility & contrast

On white

13.14

#25178F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#25178F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25178F

13.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25178F	#FFFFFF	#000000	##FFFFFF
##25178F	1.00	13.14	1.60	13.14
#FFFFFF	13.14	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003592

Deuteranopia (green-blind)

#002B8D

Tritanopia (blue-blind)

#003D54

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #25178f;
/* rgb */ color: rgb(37, 23, 143);
/* oklch */ color: oklch(33.0% 0.181 275.2);

Tailwind

colors: {
  custom: {
    50: '#7258b1',
    500: '#25178f',
    950: '#000000',
  },
}

SCSS

$custom: #25178f;
$custom-light: #7258b1;
$custom-dark: #000000;

JSON

{
  "hex": "#25178f",
  "rgb": {
    "r": 37,
    "g": 23,
    "b": 143
  },
  "hsl": {
    "h": 247,
    "s": 72.289,
    "l": 32.549
  },
  "oklch": {
    "l": 0.33005,
    "c": 0.18112,
    "h": 275.2
  },
  "luminance": 0.02989
}

Semantic roles & 50–950 ramp

primary

#25178F

secondary

#B2C141

accent

#EF39DA

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #25178F

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

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