#2530B2#2530B2

#2530B2 is a dark, highly saturated blue. Relative luminance 0.057; OKLCH L 40.3% C 0.201 H 269.8°. Best body text is #FFFFFF at 9.79:1 contrast (WCAG AA passes).

Color values

HEX	#2530B2
RGB	rgb(37, 48, 178)
HSL	hsl(235, 66%, 42%)
HSV	hsv(235, 79%, 70%)
CMYK	cmyk(79.2%, 73%, 0%, 30.2%)
CIE-LAB	lab(28.70, 42.22, -69.33)
CIE-LCH	lch(28.70, 81.17, 301.34°)
OKLab	oklab(40.28% -0.0006 -0.2008)
OKLCH	oklch(40.28% 0.201 269.8)
XYZ	xyz(9.8530, 5.7205, 42.6957)
Luminance	0.0572 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.61

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2530B2 #B2A725

analogous

#2577B2 #2530B2 #6125B2

triadic

#2530B2 #B22530 #30B225

tetradic

#2530B2 #B22577 #B2A725 #25B261

square

#2530B2 #B22577 #B2A725 #25B261

split-complementary

#2530B2 #B26125 #77B225

monochromatic

#10154D #1A227F #2530B2 #3D49D7 #7079E1

Accessibility & contrast

On white

9.79

#2530B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#2530B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2530B2

9.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2530B2	#FFFFFF	#000000	##FFFFFF
##2530B2	1.00	9.79	2.14	9.79
#FFFFFF	9.79	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BB6

Deuteranopia (green-blind)

#003DB0

Tritanopia (blue-blind)

#00556E

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2530b2;
/* rgb */ color: rgb(37, 48, 178);
/* oklch */ color: oklch(40.3% 0.201 269.8);

Tailwind

colors: {
  custom: {
    50: '#7969ca',
    500: '#2530b2',
    950: '#000000',
  },
}

SCSS

$custom: #2530b2;
$custom-light: #7969ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2530b2",
  "rgb": {
    "r": 37,
    "g": 48,
    "b": 178
  },
  "hsl": {
    "h": 235.319,
    "s": 65.581,
    "l": 42.157
  },
  "oklch": {
    "l": 0.40285,
    "c": 0.2008,
    "h": 269.8
  },
  "luminance": 0.05722
}

Semantic roles & 50–950 ramp

primary

#2530B2

secondary

#C8C16B

accent

#DB3FE9

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #2530B2

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

Preview Lab → · Contrast checker → · Palette generator →