#2633A0#2633A0

#2633A0 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 39.0% C 0.174 H 270.3°. Best body text is #FFFFFF at 10.18:1 contrast (WCAG AA passes).

Color values

HEX	#2633A0
RGB	rgb(38, 51, 160)
HSL	hsl(234, 62%, 39%)
HSV	hsv(234, 76%, 63%)
CMYK	cmyk(76.3%, 68.1%, 0%, 37.3%)
CIE-LAB	lab(27.62, 34.05, -60.27)
CIE-LCH	lch(27.62, 69.22, 299.46°)
OKLab	oklab(38.98% 0.001 -0.1744)
OKLCH	oklch(38.98% 0.174 270.3)
XYZ	xyz(8.3262, 5.3169, 33.8383)
Luminance	0.0532 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2633A0 #A09326

analogous

#2670A0 #2633A0 #5626A0

triadic

#2633A0 #A02633 #33A026

tetradic

#2633A0 #A02670 #A09326 #26A056

square

#2633A0 #A02670 #A09326 #26A056

split-complementary

#2633A0 #A05626 #70A026

monochromatic

#0F133D #1A236F #2633A0 #3445CF #6672DB

Accessibility & contrast

On white

10.18

#2633A0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#2633A0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2633A0

10.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2633A0	#FFFFFF	#000000	##FFFFFF
##2633A0	1.00	10.18	2.06	10.18
#FFFFFF	10.18	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047A3

Deuteranopia (green-blind)

#003B9E

Tritanopia (blue-blind)

#005065

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2633a0;
/* rgb */ color: rgb(38, 51, 160);
/* oklch */ color: oklch(39.0% 0.174 270.3);

Tailwind

colors: {
  custom: {
    50: '#746bbd',
    500: '#2633a0',
    950: '#000000',
  },
}

SCSS

$custom: #2633a0;
$custom-light: #746bbd;
$custom-dark: #000000;

JSON

{
  "hex": "#2633a0",
  "rgb": {
    "r": 38,
    "g": 51,
    "b": 160
  },
  "hsl": {
    "h": 233.607,
    "s": 61.616,
    "l": 38.824
  },
  "oklch": {
    "l": 0.3898,
    "c": 0.17437,
    "h": 270.3
  },
  "luminance": 0.05318
}

Semantic roles & 50–950 ramp

primary

#2633A0

secondary

#C0B661

accent

#D343E5

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #2633A0

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

Preview Lab → · Contrast checker → · Palette generator →