#2639A5#2639A5

#2639A5 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.5% C 0.174 H 269.1°. Best body text is #FFFFFF at 9.50:1 contrast (WCAG AA passes).

Color values

HEX	#2639A5
RGB	rgb(38, 57, 165)
HSL	hsl(231, 63%, 40%)
HSV	hsv(231, 77%, 65%)
CMYK	cmyk(77%, 65.5%, 0%, 35.3%)
CIE-LAB	lab(29.55, 32.00, -60.12)
CIE-LCH	lch(29.55, 68.11, 298.03°)
OKLab	oklab(40.53% -0.0028 -0.1739)
OKLCH	oklch(40.53% 0.174 269.1)
XYZ	xyz(9.0516, 6.0539, 36.2815)
Luminance	0.0605 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2639A5 #A59226

analogous

#2678A5 #2639A5 #5326A5

triadic

#2639A5 #A52639 #39A526

tetradic

#2639A5 #A52678 #A59226 #26A553

square

#2639A5 #A52678 #A59226 #26A553

split-complementary

#2639A5 #A55326 #78A526

monochromatic

#0F1742 #1B2873 #2639A5 #374ED1 #697ADC

Accessibility & contrast

On white

9.50

#2639A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#2639A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2639A5

9.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2639A5	#FFFFFF	#000000	##FFFFFF
##2639A5	1.00	9.50	2.21	9.50
#FFFFFF	9.50	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CA8

Deuteranopia (green-blind)

#0040A3

Tritanopia (blue-blind)

#00566A

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #2639a5;
/* rgb */ color: rgb(38, 57, 165);
/* oklch */ color: oklch(40.5% 0.174 269.1);

Tailwind

colors: {
  custom: {
    50: '#756fc1',
    500: '#2639a5',
    950: '#000000',
  },
}

SCSS

$custom: #2639a5;
$custom-light: #756fc1;
$custom-dark: #000000;

JSON

{
  "hex": "#2639a5",
  "rgb": {
    "r": 38,
    "g": 57,
    "b": 165
  },
  "hsl": {
    "h": 231.024,
    "s": 62.562,
    "l": 39.804
  },
  "oklch": {
    "l": 0.40532,
    "c": 0.17394,
    "h": 269.1
  },
  "luminance": 0.06055
}

Semantic roles & 50–950 ramp

primary

#2639A5

secondary

#C3B464

accent

#CD42E6

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2639A5

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

Preview Lab → · Contrast checker → · Palette generator →