#2541BC#2541BC

#2541BC is a dark, vivid blue. Relative luminance 0.078; OKLCH L 44.1% C 0.195 H 267.3°. Best body text is #FFFFFF at 8.20:1 contrast (WCAG AA passes).

Color values

HEX	#2541BC
RGB	rgb(37, 65, 188)
HSL	hsl(229, 67%, 44%)
HSV	hsv(229, 80%, 74%)
CMYK	cmyk(80.3%, 65.4%, 0%, 26.3%)
CIE-LAB	lab(33.57, 35.25, -67.23)
CIE-LCH	lch(33.57, 75.91, 297.67°)
OKLab	oklab(44.11% -0.0092 -0.1947)
OKLCH	oklch(44.11% 0.195 267.3)
XYZ	xyz(11.7272, 7.8034, 48.4553)
Luminance	0.0780 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.13

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2541BC #BCA025

analogous

#258DBC #2541BC #5525BC

triadic

#2541BC #BC2541 #41BC25

tetradic

#2541BC #BC258D #BCA025 #25BC55

square

#2541BC #BC258D #BCA025 #25BC55

split-complementary

#2541BC #BC5525 #8DBC25

monochromatic

#111E56 #1B2F89 #2541BC #4460DA #778BE4

Accessibility & contrast

On white

8.20

#2541BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#2541BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2541BC

8.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2541BC	#FFFFFF	#000000	##FFFFFF
##2541BC	1.00	8.20	2.56	8.20
#FFFFFF	8.20	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056C0

Deuteranopia (green-blind)

#0048BA

Tritanopia (blue-blind)

#006278

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2541bc;
/* rgb */ color: rgb(37, 65, 188);
/* oklch */ color: oklch(44.1% 0.195 267.3);

Tailwind

colors: {
  custom: {
    50: '#7a75d1',
    500: '#2541bc',
    950: '#000000',
  },
}

SCSS

$custom: #2541bc;
$custom-light: #7a75d1;
$custom-dark: #000000;

JSON

{
  "hex": "#2541bc",
  "rgb": {
    "r": 37,
    "g": 65,
    "b": 188
  },
  "hsl": {
    "h": 228.874,
    "s": 67.111,
    "l": 44.118
  },
  "oklch": {
    "l": 0.44114,
    "c": 0.19488,
    "h": 267.3
  },
  "luminance": 0.07805
}

Semantic roles & 50–950 ramp

primary

#2541BC

secondary

#CCBB71

accent

#CA3EEA

background

#F8F7FD

surface

#EFEDFA

border

#CAC8D3

text

#0B0814

muted

#7C7B83

Preview Lab

Preview with #2541BC

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

Preview Lab → · Contrast checker → · Palette generator →