#25309A#25309A

#25309A is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.8% C 0.170 H 270.8°. Best body text is #FFFFFF at 10.67:1 contrast (WCAG AA passes).

Color values

HEX	#25309A
RGB	rgb(37, 48, 154)
HSL	hsl(234, 61%, 37%)
HSV	hsv(234, 76%, 60%)
CMYK	cmyk(76%, 68.8%, 0%, 39.6%)
CIE-LAB	lab(26.27, 33.68, -58.82)
CIE-LCH	lch(26.27, 67.78, 299.79°)
OKLab	oklab(37.81% 0.0023 -0.1702)
OKLCH	oklch(37.81% 0.17 270.8)
XYZ	xyz(7.6507, 4.8395, 31.0965)
Luminance	0.0484 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25309A #9A8F25

analogous

#256B9A #25309A #55259A

triadic

#25309A #9A2530 #309A25

tetradic

#25309A #9A256B #9A8F25 #259A55

square

#25309A #9A256B #9A8F25 #259A55

split-complementary

#25309A #9A5525 #6B9A25

monochromatic

#0D1137 #192169 #25309A #313FCB #606CD9

Accessibility & contrast

On white

10.67

#25309A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#25309A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25309A

10.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25309A	#FFFFFF	#000000	##FFFFFF
##25309A	1.00	10.67	1.97	10.67
#FFFFFF	10.67	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00449D

Deuteranopia (green-blind)

#003998

Tritanopia (blue-blind)

#004D61

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #25309a;
/* rgb */ color: rgb(37, 48, 154);
/* oklch */ color: oklch(37.8% 0.170 270.8);

Tailwind

colors: {
  custom: {
    50: '#7368b9',
    500: '#25309a',
    950: '#000000',
  },
}

SCSS

$custom: #25309a;
$custom-light: #7368b9;
$custom-dark: #000000;

JSON

{
  "hex": "#25309a",
  "rgb": {
    "r": 37,
    "g": 48,
    "b": 154
  },
  "hsl": {
    "h": 234.359,
    "s": 61.257,
    "l": 37.451
  },
  "oklch": {
    "l": 0.37811,
    "c": 0.17021,
    "h": 270.8
  },
  "luminance": 0.0484
}

Semantic roles & 50–950 ramp

primary

#25309A

secondary

#BEB55D

accent

#D543E4

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090612

muted

#7B7A81

Preview Lab

Preview with #25309A

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

Preview Lab → · Contrast checker → · Palette generator →