#25407B#25407B

#25407B is a dark, moderate blue. Relative luminance 0.055; OKLCH L 38.4% C 0.106 H 263.7°. Best body text is #FFFFFF at 10.01:1 contrast (WCAG AA passes).

Color values

HEX	#25407B
RGB	rgb(37, 64, 123)
HSL	hsl(221, 54%, 31%)
HSV	hsv(221, 70%, 48%)
CMYK	cmyk(69.9%, 48%, 0%, 51.8%)
CIE-LAB	lab(28.09, 10.92, -36.66)
CIE-LCH	lch(28.09, 38.26, 286.59°)
OKLab	oklab(38.38% -0.0116 -0.1049)
OKLCH	oklch(38.38% 0.106 263.7)
XYZ	xyz(6.1702, 5.4896, 19.4695)
Luminance	0.0549 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25407B #7B6025

analogous

#256B7B #25407B #35257B

triadic

#25407B #7B2540 #407B25

tetradic

#25407B #7B256B #7B6025 #257B35

square

#25407B #7B256B #7B6025 #257B35

split-complementary

#25407B #7B3525 #6B7B25

monochromatic

#090F1D #17284C #25407B #3358AA #5076CA

Accessibility & contrast

On white

10.01

#25407B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#25407B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25407B

10.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25407B	#FFFFFF	#000000	##FFFFFF
##25407B	1.00	10.01	2.10	10.01
#FFFFFF	10.01	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#22467D

Deuteranopia (green-blind)

#113F7A

Tritanopia (blue-blind)

#004E57

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #25407b;
/* rgb */ color: rgb(37, 64, 123);
/* oklch */ color: oklch(38.4% 0.106 263.7);

Tailwind

colors: {
  custom: {
    50: '#6a74a1',
    500: '#25407b',
    950: '#000000',
  },
}

SCSS

$custom: #25407b;
$custom-light: #6a74a1;
$custom-dark: #000000;

JSON

{
  "hex": "#25407b",
  "rgb": {
    "r": 37,
    "g": 64,
    "b": 123
  },
  "hsl": {
    "h": 221.163,
    "s": 53.75,
    "l": 31.373
  },
  "oklch": {
    "l": 0.38376,
    "c": 0.10556,
    "h": 263.7
  },
  "luminance": 0.0549
}

Semantic roles & 50–950 ramp

primary

#25407B

secondary

#AD904F

accent

#AF4BDD

background

#F6F7FA

surface

#ECEDF3

border

#C7C8CD

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #25407B

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

Preview Lab → · Contrast checker → · Palette generator →