#2530A8#2530A8

#2530A8 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 39.2% C 0.188 H 270.2°. Best body text is #FFFFFF at 10.16:1 contrast (WCAG AA passes).

Color values

HEX	#2530A8
RGB	rgb(37, 48, 168)
HSL	hsl(235, 64%, 40%)
HSV	hsv(235, 78%, 66%)
CMYK	cmyk(78%, 71.4%, 0%, 34.1%)
CIE-LAB	lab(27.66, 38.72, -65.03)
CIE-LCH	lch(27.66, 75.68, 300.77°)
OKLab	oklab(39.24% 0.0007 -0.1883)
OKLCH	oklch(39.24% 0.188 270.2)
XYZ	xyz(8.8854, 5.3334, 37.5994)
Luminance	0.0533 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2530A8 #A89D25

analogous

#2571A8 #2530A8 #5C25A8

triadic

#2530A8 #A82530 #30A825

tetradic

#2530A8 #A82571 #A89D25 #25A85C

square

#2530A8 #A82571 #A89D25 #25A85C

split-complementary

#2530A8 #A85C25 #71A825

monochromatic

#0F1344 #1A2276 #2530A8 #3744D3 #6973DE

Accessibility & contrast

On white

10.16

#2530A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#2530A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2530A8

10.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2530A8	#FFFFFF	#000000	##FFFFFF
##2530A8	1.00	10.16	2.07	10.16
#FFFFFF	10.16	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048AC

Deuteranopia (green-blind)

#003BA6

Tritanopia (blue-blind)

#005268

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2530a8;
/* rgb */ color: rgb(37, 48, 168);
/* oklch */ color: oklch(39.2% 0.188 270.2);

Tailwind

colors: {
  custom: {
    50: '#7669c3',
    500: '#2530a8',
    950: '#000000',
  },
}

SCSS

$custom: #2530a8;
$custom-light: #7669c3;
$custom-dark: #000000;

JSON

{
  "hex": "#2530a8",
  "rgb": {
    "r": 37,
    "g": 48,
    "b": 168
  },
  "hsl": {
    "h": 234.962,
    "s": 63.902,
    "l": 40.196
  },
  "oklch": {
    "l": 0.39237,
    "c": 0.1883,
    "h": 270.2
  },
  "luminance": 0.05334
}

Semantic roles & 50–950 ramp

primary

#2530A8

secondary

#C4BC65

accent

#D941E7

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0613

muted

#7C7A82

Preview Lab

Preview with #2530A8

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

Preview Lab → · Contrast checker → · Palette generator →