#2536A5#2536A5

#2536A5 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.9% C 0.178 H 269.3°. Best body text is #FFFFFF at 9.77:1 contrast (WCAG AA passes).

Color values

HEX	#2536A5
RGB	rgb(37, 54, 165)
HSL	hsl(232, 63%, 40%)
HSV	hsv(232, 78%, 65%)
CMYK	cmyk(77.6%, 67.3%, 0%, 35.3%)
CIE-LAB	lab(28.77, 33.85, -61.41)
CIE-LCH	lch(28.77, 70.12, 298.86°)
OKLab	oklab(39.95% -0.0021 -0.1777)
OKLCH	oklch(39.95% 0.178 269.3)
XYZ	xyz(8.8713, 5.7473, 36.2318)
Luminance	0.0575 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2536A5 #A59425

analogous

#2576A5 #2536A5 #5425A5

triadic

#2536A5 #A52536 #36A525

tetradic

#2536A5 #A52576 #A59425 #25A554

square

#2536A5 #A52576 #A59425 #25A554

split-complementary

#2536A5 #A55425 #76A525

monochromatic

#0F1541 #1A2673 #2536A5 #354AD2 #6777DD

Accessibility & contrast

On white

9.77

#2536A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#2536A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2536A5

9.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2536A5	#FFFFFF	#000000	##FFFFFF
##2536A5	1.00	9.77	2.15	9.77
#FFFFFF	9.77	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AA8

Deuteranopia (green-blind)

#003EA3

Tritanopia (blue-blind)

#005469

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2536a5;
/* rgb */ color: rgb(37, 54, 165);
/* oklch */ color: oklch(39.9% 0.178 269.3);

Tailwind

colors: {
  custom: {
    50: '#756dc1',
    500: '#2536a5',
    950: '#000000',
  },
}

SCSS

$custom: #2536a5;
$custom-light: #756dc1;
$custom-dark: #000000;

JSON

{
  "hex": "#2536a5",
  "rgb": {
    "r": 37,
    "g": 54,
    "b": 165
  },
  "hsl": {
    "h": 232.031,
    "s": 63.366,
    "l": 39.608
  },
  "oklch": {
    "l": 0.39946,
    "c": 0.17773,
    "h": 269.3
  },
  "luminance": 0.05748
}

Semantic roles & 50–950 ramp

primary

#2536A5

secondary

#C3B663

accent

#D041E6

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2536A5

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

Preview Lab → · Contrast checker → · Palette generator →