#2638BD#2638BD

#2638BD is a dark, highly saturated blue. Relative luminance 0.069; OKLCH L 42.7% C 0.206 H 268.8°. Best body text is #FFFFFF at 8.81:1 contrast (WCAG AA passes).

Color values

HEX	#2638BD
RGB	rgb(38, 56, 189)
HSL	hsl(233, 67%, 45%)
HSV	hsv(233, 80%, 74%)
CMYK	cmyk(79.9%, 70.4%, 0%, 25.9%)
CIE-LAB	lab(31.61, 41.34, -71.04)
CIE-LCH	lch(31.61, 82.20, 300.19°)
OKLab	oklab(42.73% -0.0042 -0.2058)
OKLCH	oklch(42.73% 0.206 268.8)
XYZ	xyz(11.3956, 6.9132, 48.8680)
Luminance	0.0692 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2638BD #BDAB26

analogous

#2683BD #2638BD #6026BD

triadic

#2638BD #BD2638 #38BD26

tetradic

#2638BD #BD2683 #BDAB26 #26BD60

square

#2638BD #BD2683 #BDAB26 #26BD60

split-complementary

#2638BD #BD6026 #83BD26

monochromatic

#121A57 #1C298A #2638BD #4658DA #7986E4

Accessibility & contrast

On white

8.81

#2638BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#2638BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2638BD

8.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2638BD	#FFFFFF	#000000	##FFFFFF
##2638BD	1.00	8.81	2.38	8.81
#FFFFFF	8.81	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052C1

Deuteranopia (green-blind)

#0043BB

Tritanopia (blue-blind)

#005D76

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #2638bd;
/* rgb */ color: rgb(38, 56, 189);
/* oklch */ color: oklch(42.7% 0.206 268.8);

Tailwind

colors: {
  custom: {
    50: '#7b6fd2',
    500: '#2638bd',
    950: '#000000',
  },
}

SCSS

$custom: #2638bd;
$custom-light: #7b6fd2;
$custom-dark: #000000;

JSON

{
  "hex": "#2638bd",
  "rgb": {
    "r": 38,
    "g": 56,
    "b": 189
  },
  "hsl": {
    "h": 232.848,
    "s": 66.52,
    "l": 44.51
  },
  "oklch": {
    "l": 0.42726,
    "c": 0.20584,
    "h": 268.8
  },
  "luminance": 0.06915
}

Semantic roles & 50–950 ramp

primary

#2638BD

secondary

#CCC173

accent

#D53EE9

background

#F8F6FD

surface

#EFECFA

border

#CAC7D3

text

#0B0714

muted

#7C7A83

Preview Lab

Preview with #2638BD

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

Preview Lab → · Contrast checker → · Palette generator →