#25438B#25438B

#25438B is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.3% C 0.125 H 264.4°. Best body text is #FFFFFF at 9.32:1 contrast (WCAG AA passes).

Color values

HEX	#25438B
RGB	rgb(37, 67, 139)
HSL	hsl(222, 58%, 35%)
HSV	hsv(222, 73%, 55%)
CMYK	cmyk(73.4%, 51.8%, 0%, 45.5%)
CIE-LAB	lab(30.09, 15.13, -43.40)
CIE-LCH	lch(30.09, 45.96, 289.22°)
OKLab	oklab(40.26% -0.0121 -0.1247)
OKLCH	oklch(40.26% 0.125 264.4)
XYZ	xyz(7.4287, 6.2709, 25.2400)
Luminance	0.0627 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25438B #8B6D25

analogous

#25768B #25438B #3A258B

triadic

#25438B #8B2543 #438B25

tetradic

#25438B #8B2576 #8B6D25 #258B3A

square

#25438B #8B2576 #8B6D25 #258B3A

split-complementary

#25438B #8B3A25 #768B25

monochromatic

#0B142A #182C5B #25438B #325ABB #587CD3

Accessibility & contrast

On white

9.32

#25438B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#25438B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25438B

9.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25438B	#FFFFFF	#000000	##FFFFFF
##25438B	1.00	9.32	2.25	9.32
#FFFFFF	9.32	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#184C8E

Deuteranopia (green-blind)

#00428A

Tritanopia (blue-blind)

#005460

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #25438b;
/* rgb */ color: rgb(37, 67, 139);
/* oklch */ color: oklch(40.3% 0.125 264.4);

Tailwind

colors: {
  custom: {
    50: '#6e76ad',
    500: '#25438b',
    950: '#000000',
  },
}

SCSS

$custom: #25438b;
$custom-light: #6e76ad;
$custom-dark: #000000;

JSON

{
  "hex": "#25438b",
  "rgb": {
    "r": 37,
    "g": 67,
    "b": 139
  },
  "hsl": {
    "h": 222.353,
    "s": 57.955,
    "l": 34.51
  },
  "oklch": {
    "l": 0.4026,
    "c": 0.12528,
    "h": 264.4
  },
  "luminance": 0.06272
}

Semantic roles & 50–950 ramp

primary

#25438B

secondary

#B79A55

accent

#B447E1

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #25438B

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

Preview Lab → · Contrast checker → · Palette generator →