#253B7D#253B7D

#253B7D is a dark, moderate blue. Relative luminance 0.050; OKLCH L 37.4% C 0.115 H 266.9°. Best body text is #FFFFFF at 10.50:1 contrast (WCAG AA passes).

Color values

HEX	#253B7D
RGB	rgb(37, 59, 125)
HSL	hsl(225, 54%, 32%)
HSV	hsv(225, 70%, 49%)
CMYK	cmyk(70.4%, 52.8%, 0%, 51%)
CIE-LAB	lab(26.74, 15.17, -40.09)
CIE-LCH	lch(26.74, 42.86, 290.73°)
OKLab	oklab(37.39% -0.0063 -0.1151)
OKLCH	oklch(37.39% 0.115 266.9)
XYZ	xyz(6.0273, 5.0013, 20.0458)
Luminance	0.0500 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253B7D #7D6725

analogous

#25677D #253B7D #3B257D

triadic

#253B7D #7D253B #3B7D25

tetradic

#253B7D #7D2567 #7D6725 #257D3B

square

#253B7D #7D2567 #7D6725 #257D3B

split-complementary

#253B7D #7D3B25 #677D25

monochromatic

#090E1F #17254E #253B7D #3351AC #5170CB

Accessibility & contrast

On white

10.50

#253B7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#253B7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253B7D

10.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253B7D	#FFFFFF	#000000	##FFFFFF
##253B7D	1.00	10.50	2.00	10.50
#FFFFFF	10.50	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#14437F

Deuteranopia (green-blind)

#003B7C

Tritanopia (blue-blind)

#004B56

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #253b7d;
/* rgb */ color: rgb(37, 59, 125);
/* oklch */ color: oklch(37.4% 0.115 266.9);

Tailwind

colors: {
  custom: {
    50: '#6b70a3',
    500: '#253b7d',
    950: '#000000',
  },
}

SCSS

$custom: #253b7d;
$custom-light: #6b70a3;
$custom-dark: #000000;

JSON

{
  "hex": "#253b7d",
  "rgb": {
    "r": 37,
    "g": 59,
    "b": 125
  },
  "hsl": {
    "h": 225,
    "s": 54.321,
    "l": 31.765
  },
  "oklch": {
    "l": 0.37392,
    "c": 0.11525,
    "h": 266.9
  },
  "luminance": 0.05002
}

Semantic roles & 50–950 ramp

primary

#253B7D

secondary

#AF974F

accent

#B94ADE

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #253B7D

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

Preview Lab → · Contrast checker → · Palette generator →