#25398B#25398B

#25398B is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.1% C 0.138 H 268.6°. Best body text is #FFFFFF at 10.31:1 contrast (WCAG AA passes).

Color values

HEX	#25398B
RGB	rgb(37, 57, 139)
HSL	hsl(228, 58%, 35%)
HSV	hsv(228, 73%, 55%)
CMYK	cmyk(73.4%, 59%, 0%, 45.5%)
CIE-LAB	lab(27.25, 22.01, -48.00)
CIE-LCH	lch(27.25, 52.80, 294.63°)
OKLab	oklab(38.12% -0.0035 -0.1384)
OKLCH	oklch(38.12% 0.138 268.6)
XYZ	xyz(6.8847, 5.1829, 25.0587)
Luminance	0.0518 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25398B #8B7725

analogous

#256C8B #25398B #44258B

triadic

#25398B #8B2539 #398B25

tetradic

#25398B #8B256C #8B7725 #258B44

square

#25398B #8B256C #8B7725 #258B44

split-complementary

#25398B #8B4425 #6C8B25

monochromatic

#0B112A #18255B #25398B #324DBB #5870D3

Accessibility & contrast

On white

10.31

#25398B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#25398B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25398B

10.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25398B	#FFFFFF	#000000	##FFFFFF
##25398B	1.00	10.31	2.04	10.31
#FFFFFF	10.31	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00458E

Deuteranopia (green-blind)

#003C89

Tritanopia (blue-blind)

#004D5C

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #25398b;
/* rgb */ color: rgb(37, 57, 139);
/* oklch */ color: oklch(38.1% 0.138 268.6);

Tailwind

colors: {
  custom: {
    50: '#6e6fae',
    500: '#25398b',
    950: '#000000',
  },
}

SCSS

$custom: #25398b;
$custom-light: #6e6fae;
$custom-dark: #000000;

JSON

{
  "hex": "#25398b",
  "rgb": {
    "r": 37,
    "g": 57,
    "b": 139
  },
  "hsl": {
    "h": 228.235,
    "s": 57.955,
    "l": 34.51
  },
  "oklch": {
    "l": 0.38119,
    "c": 0.13841,
    "h": 268.6
  },
  "luminance": 0.05184
}

Semantic roles & 50–950 ramp

primary

#25398B

secondary

#B7A455

accent

#C347E1

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #25398B

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

Preview Lab → · Contrast checker → · Palette generator →