#2549A5#2549A5

#2549A5 is a dark, vivid blue. Relative luminance 0.079; OKLCH L 43.6% C 0.154 H 264.6°. Best body text is #FFFFFF at 8.16:1 contrast (WCAG AA passes).

Color values

HEX	#2549A5
RGB	rgb(37, 73, 165)
HSL	hsl(223, 63%, 40%)
HSV	hsv(223, 78%, 65%)
CMYK	cmyk(77.6%, 55.8%, 0%, 35.3%)
CIE-LAB	lab(33.72, 21.22, -53.32)
CIE-LCH	lch(33.72, 57.39, 291.70°)
OKLab	oklab(43.63% -0.0145 -0.1538)
OKLCH	oklch(43.63% 0.154 264.6)
XYZ	xyz(9.9346, 7.8739, 36.5862)
Luminance	0.0788 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2549A5 #A58125

analogous

#2589A5 #2549A5 #4125A5

triadic

#2549A5 #A52549 #49A525

tetradic

#2549A5 #A52589 #A58125 #25A541

square

#2549A5 #A52589 #A58125 #25A541

split-complementary

#2549A5 #A54125 #89A525

monochromatic

#0F1D41 #1A3373 #2549A5 #3561D2 #6788DD

Accessibility & contrast

On white

8.16

#2549A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#2549A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2549A5

8.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2549A5	#FFFFFF	#000000	##FFFFFF
##2549A5	1.00	8.16	2.58	8.16
#FFFFFF	8.16	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055A8

Deuteranopia (green-blind)

#004AA3

Tritanopia (blue-blind)

#006070

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2549a5;
/* rgb */ color: rgb(37, 73, 165);
/* oklch */ color: oklch(43.6% 0.154 264.6);

Tailwind

colors: {
  custom: {
    50: '#737bc0',
    500: '#2549a5',
    950: '#000000',
  },
}

SCSS

$custom: #2549a5;
$custom-light: #737bc0;
$custom-dark: #000000;

JSON

{
  "hex": "#2549a5",
  "rgb": {
    "r": 37,
    "g": 73,
    "b": 165
  },
  "hsl": {
    "h": 223.125,
    "s": 63.366,
    "l": 39.608
  },
  "oklch": {
    "l": 0.43626,
    "c": 0.15446,
    "h": 264.6
  },
  "luminance": 0.07875
}

Semantic roles & 50–950 ramp

primary

#2549A5

secondary

#C3A863

accent

#B841E6

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #2549A5

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

Preview Lab → · Contrast checker → · Palette generator →