#25308E#25308E

#25308E is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.6% C 0.154 H 271.2°. Best body text is #FFFFFF at 11.10:1 contrast (WCAG AA passes).

Color values

HEX	#25308E
RGB	rgb(37, 48, 142)
HSL	hsl(234, 59%, 35%)
HSV	hsv(234, 74%, 56%)
CMYK	cmyk(73.9%, 66.2%, 0%, 44.3%)
CIE-LAB	lab(25.14, 29.24, -53.30)
CIE-LCH	lch(25.14, 60.80, 298.75°)
OKLab	oklab(36.64% 0.0033 -0.154)
OKLCH	oklch(36.64% 0.154 271.2)
XYZ	xyz(6.7007, 4.4595, 26.0936)
Luminance	0.0446 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25308E #8E8325

analogous

#25658E #25308E #4E258E

triadic

#25308E #8E2530 #308E25

tetradic

#25308E #8E2565 #8E8325 #258E4E

square

#25308E #8E2565 #8E8325 #258E4E

split-complementary

#25308E #8E4E25 #658E25

monochromatic

#0C0F2D #18205D #25308E #3240BF #5A66D4

Accessibility & contrast

On white

11.10

#25308E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#25308E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25308E

11.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25308E	#FFFFFF	#000000	##FFFFFF
##25308E	1.00	11.10	1.89	11.10
#FFFFFF	11.10	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004191

Deuteranopia (green-blind)

#00378C

Tritanopia (blue-blind)

#00495A

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #25308e;
/* rgb */ color: rgb(37, 48, 142);
/* oklch */ color: oklch(36.6% 0.154 271.2);

Tailwind

colors: {
  custom: {
    50: '#7068b0',
    500: '#25308e',
    950: '#000000',
  },
}

SCSS

$custom: #25308e;
$custom-light: #7068b0;
$custom-dark: #000000;

JSON

{
  "hex": "#25308e",
  "rgb": {
    "r": 37,
    "g": 48,
    "b": 142
  },
  "hsl": {
    "h": 233.714,
    "s": 58.659,
    "l": 35.098
  },
  "oklch": {
    "l": 0.36635,
    "c": 0.15408,
    "h": 271.2
  },
  "luminance": 0.0446
}

Semantic roles & 50–950 ramp

primary

#25308E

secondary

#B9AE56

accent

#D246E2

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#090611

muted

#7B7A80

Preview Lab

Preview with #25308E

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

Preview Lab → · Contrast checker → · Palette generator →