#2534B0#2534B0

#2534B0 is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.7% C 0.194 H 269.4°. Best body text is #FFFFFF at 9.56:1 contrast (WCAG AA passes).

Color values

HEX	#2534B0
RGB	rgb(37, 52, 176)
HSL	hsl(234, 65%, 42%)
HSV	hsv(234, 79%, 69%)
CMYK	cmyk(79%, 70.5%, 0%, 31%)
CIE-LAB	lab(29.37, 39.10, -67.02)
CIE-LCH	lch(29.37, 77.59, 300.26°)
OKLab	oklab(40.71% -0.002 -0.1941)
OKLCH	oklch(40.71% 0.194 269.4)
XYZ	xyz(9.8247, 5.9828, 41.7029)
Luminance	0.0598 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.56

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2534B0 #B0A125

analogous

#257AB0 #2534B0 #5C25B0

triadic

#2534B0 #B02534 #34B025

tetradic

#2534B0 #B0257A #B0A125 #25B05C

square

#2534B0 #B0257A #B0A125 #25B05C

split-complementary

#2534B0 #B05C25 #7AB025

monochromatic

#10164B #1A257D #2534B0 #3C4DD6 #6F7BE1

Accessibility & contrast

On white

9.56

#2534B0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#2534B0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2534B0

9.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2534B0	#FFFFFF	#000000	##FFFFFF
##2534B0	1.00	9.56	2.20	9.56
#FFFFFF	9.56	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CB4

Deuteranopia (green-blind)

#003EAE

Tritanopia (blue-blind)

#00576E

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2534b0;
/* rgb */ color: rgb(37, 52, 176);
/* oklch */ color: oklch(40.7% 0.194 269.4);

Tailwind

colors: {
  custom: {
    50: '#786cc9',
    500: '#2534b0',
    950: '#000000',
  },
}

SCSS

$custom: #2534b0;
$custom-light: #786cc9;
$custom-dark: #000000;

JSON

{
  "hex": "#2534b0",
  "rgb": {
    "r": 37,
    "g": 52,
    "b": 176
  },
  "hsl": {
    "h": 233.525,
    "s": 65.258,
    "l": 41.765
  },
  "oklch": {
    "l": 0.40708,
    "c": 0.19411,
    "h": 269.4
  },
  "luminance": 0.05984
}

Semantic roles & 50–950 ramp

primary

#2534B0

secondary

#C7BD6A

accent

#D640E8

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #2534B0

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

Preview Lab → · Contrast checker → · Palette generator →