#2530A5#2530A5

#2530A5 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.9% C 0.184 H 270.3°. Best body text is #FFFFFF at 10.27:1 contrast (WCAG AA passes).

Color values

HEX	#2530A5
RGB	rgb(37, 48, 165)
HSL	hsl(235, 63%, 40%)
HSV	hsv(235, 78%, 65%)
CMYK	cmyk(77.6%, 70.9%, 0%, 35.3%)
CIE-LAB	lab(27.36, 37.65, -63.72)
CIE-LCH	lch(27.36, 74.01, 300.58°)
OKLab	oklab(38.93% 0.0011 -0.1845)
OKLCH	oklch(38.93% 0.184 270.3)
XYZ	xyz(8.6091, 5.2229, 36.1444)
Luminance	0.0522 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2530A5 #A59A25

analogous

#2570A5 #2530A5 #5A25A5

triadic

#2530A5 #A52530 #30A525

tetradic

#2530A5 #A52570 #A59A25 #25A55A

square

#2530A5 #A52570 #A59A25 #25A55A

split-complementary

#2530A5 #A55A25 #70A525

monochromatic

#0F1341 #1A2173 #2530A5 #3543D2 #6772DD

Accessibility & contrast

On white

10.27

#2530A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#2530A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2530A5

10.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2530A5	#FFFFFF	#000000	##FFFFFF
##2530A5	1.00	10.27	2.04	10.27
#FFFFFF	10.27	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047A9

Deuteranopia (green-blind)

#003AA3

Tritanopia (blue-blind)

#005167

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2530a5;
/* rgb */ color: rgb(37, 48, 165);
/* oklch */ color: oklch(38.9% 0.184 270.3);

Tailwind

colors: {
  custom: {
    50: '#7669c1',
    500: '#2530a5',
    950: '#000000',
  },
}

SCSS

$custom: #2530a5;
$custom-light: #7669c1;
$custom-dark: #000000;

JSON

{
  "hex": "#2530a5",
  "rgb": {
    "r": 37,
    "g": 48,
    "b": 165
  },
  "hsl": {
    "h": 234.844,
    "s": 63.366,
    "l": 39.608
  },
  "oklch": {
    "l": 0.38927,
    "c": 0.18448,
    "h": 270.3
  },
  "luminance": 0.05224
}

Semantic roles & 50–950 ramp

primary

#2530A5

secondary

#C3BB63

accent

#D841E6

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #2530A5

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

Preview Lab → · Contrast checker → · Palette generator →