#25539E#25539E

#25539E is a mid, vivid blue. Relative luminance 0.090; OKLCH L 45.3% C 0.132 H 259.8°. Best body text is #FFFFFF at 7.47:1 contrast (WCAG AA passes).

Color values

HEX	#25539E
RGB	rgb(37, 83, 158)
HSL	hsl(217, 62%, 38%)
HSV	hsv(217, 77%, 62%)
CMYK	cmyk(76.6%, 47.5%, 0%, 38%)
CIE-LAB	lab(36.08, 11.78, -45.31)
CIE-LCH	lch(36.08, 46.82, 284.57°)
OKLab	oklab(45.26% -0.0235 -0.13)
OKLCH	oklch(45.26% 0.132 259.8)
XYZ	xyz(10.0255, 9.0473, 33.5591)
Luminance	0.0905 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25539E #9E7025

analogous

#258F9E #25539E #33259E

triadic

#25539E #9E2553 #539E25

tetradic

#25539E #9E258F #9E7025 #259E33

square

#25539E #9E258F #9E7025 #259E33

split-complementary

#25539E #9E3325 #8F9E25

monochromatic

#0E1F3B #19396C #25539E #316DCF #6390DA

Accessibility & contrast

On white

7.47

#25539E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.81

#25539E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25539E

7.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25539E	#FFFFFF	#000000	##FFFFFF
##25539E	1.00	7.47	2.81	7.47
#FFFFFF	7.47	1.00	21.00	1.00
#000000	2.81	21.00	1.00	21.00
##FFFFFF	7.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B5BA1

Deuteranopia (green-blind)

#0B509C

Tritanopia (blue-blind)

#006571

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #25539e;
/* rgb */ color: rgb(37, 83, 158);
/* oklch */ color: oklch(45.3% 0.132 259.8);

Tailwind

colors: {
  custom: {
    50: '#7182bb',
    500: '#25539e',
    950: '#000000',
  },
}

SCSS

$custom: #25539e;
$custom-light: #7182bb;
$custom-dark: #000000;

JSON

{
  "hex": "#25539e",
  "rgb": {
    "r": 37,
    "g": 83,
    "b": 158
  },
  "hsl": {
    "h": 217.19,
    "s": 62.051,
    "l": 38.235
  },
  "oklch": {
    "l": 0.45263,
    "c": 0.13213,
    "h": 259.8
  },
  "luminance": 0.09048
}

Semantic roles & 50–950 ramp

primary

#25539E

secondary

#C09B5F

accent

#A743E5

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #25539E

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

Preview Lab → · Contrast checker → · Palette generator →