#2633A8#2633A8

#2633A8 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.8% C 0.185 H 270.1°. Best body text is #FFFFFF at 9.90:1 contrast (WCAG AA passes).

Color values

HEX	#2633A8
RGB	rgb(38, 51, 168)
HSL	hsl(234, 63%, 40%)
HSV	hsv(234, 77%, 66%)
CMYK	cmyk(77.4%, 69.6%, 0%, 34.1%)
CIE-LAB	lab(28.40, 36.95, -63.83)
CIE-LCH	lch(28.40, 73.75, 300.06°)
OKLab	oklab(39.78% 0.0003 -0.1848)
OKLCH	oklch(39.78% 0.185 270.1)
XYZ	xyz(9.0486, 5.6059, 37.6433)
Luminance	0.0561 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2633A8 #A89B26

analogous

#2674A8 #2633A8 #5A26A8

triadic

#2633A8 #A82633 #33A826

tetradic

#2633A8 #A82674 #A89B26 #26A85A

square

#2633A8 #A82674 #A89B26 #26A85A

split-complementary

#2633A8 #A85A26 #74A826

monochromatic

#0F1544 #1B2476 #2633A8 #3948D2 #6B76DE

Accessibility & contrast

On white

9.90

#2633A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#2633A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2633A8

9.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2633A8	#FFFFFF	#000000	##FFFFFF
##2633A8	1.00	9.90	2.12	9.90
#FFFFFF	9.90	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049AC

Deuteranopia (green-blind)

#003DA6

Tritanopia (blue-blind)

#005369

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2633a8;
/* rgb */ color: rgb(38, 51, 168);
/* oklch */ color: oklch(39.8% 0.185 270.1);

Tailwind

colors: {
  custom: {
    50: '#766bc3',
    500: '#2633a8',
    950: '#000000',
  },
}

SCSS

$custom: #2633a8;
$custom-light: #766bc3;
$custom-dark: #000000;

JSON

{
  "hex": "#2633a8",
  "rgb": {
    "r": 38,
    "g": 51,
    "b": 168
  },
  "hsl": {
    "h": 234,
    "s": 63.107,
    "l": 40.392
  },
  "oklch": {
    "l": 0.39778,
    "c": 0.18476,
    "h": 270.1
  },
  "luminance": 0.05607
}

Semantic roles & 50–950 ramp

primary

#2633A8

secondary

#C4BA66

accent

#D642E6

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0613

muted

#7C7A82

Preview Lab

Preview with #2633A8

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

Preview Lab → · Contrast checker → · Palette generator →