#2545AD#2545AD

#2545AD is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.5% C 0.170 H 266.2°. Best body text is #FFFFFF at 8.29:1 contrast (WCAG AA passes).

Color values

HEX	#2545AD
RGB	rgb(37, 69, 173)
HSL	hsl(226, 65%, 41%)
HSV	hsv(226, 79%, 68%)
CMYK	cmyk(78.6%, 60.1%, 0%, 32.2%)
CIE-LAB	lab(33.28, 26.99, -58.82)
CIE-LCH	lch(33.28, 64.72, 294.65°)
OKLab	oklab(43.49% -0.0114 -0.17)
OKLCH	oklch(43.49% 0.17 266.2)
XYZ	xyz(10.4312, 7.6655, 40.4569)
Luminance	0.0767 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2545AD #AD8D25

analogous

#2589AD #2545AD #4925AD

triadic

#2545AD #AD2545 #45AD25

tetradic

#2545AD #AD2589 #AD8D25 #25AD49

square

#2545AD #AD2589 #AD8D25 #25AD49

split-complementary

#2545AD #AD4925 #89AD25

monochromatic

#0F1D48 #1A317B #2545AD #3A5FD5 #6D88E0

Accessibility & contrast

On white

8.29

#2545AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#2545AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2545AD

8.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2545AD	#FFFFFF	#000000	##FFFFFF
##2545AD	1.00	8.29	2.53	8.29
#FFFFFF	8.29	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055B0

Deuteranopia (green-blind)

#0048AB

Tritanopia (blue-blind)

#005F72

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #2545ad;
/* rgb */ color: rgb(37, 69, 173);
/* oklch */ color: oklch(43.5% 0.170 266.2);

Tailwind

colors: {
  custom: {
    50: '#7678c6',
    500: '#2545ad',
    950: '#000000',
  },
}

SCSS

$custom: #2545ad;
$custom-light: #7678c6;
$custom-dark: #000000;

JSON

{
  "hex": "#2545ad",
  "rgb": {
    "r": 37,
    "g": 69,
    "b": 173
  },
  "hsl": {
    "h": 225.882,
    "s": 64.762,
    "l": 41.176
  },
  "oklch": {
    "l": 0.43494,
    "c": 0.17038,
    "h": 266.2
  },
  "luminance": 0.07667
}

Semantic roles & 50–950 ramp

primary

#2545AD

secondary

#C6B068

accent

#C040E8

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2545AD

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

Preview Lab → · Contrast checker → · Palette generator →