#2633A1#2633A1

#2633A1 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.1% C 0.176 H 270.3°. Best body text is #FFFFFF at 10.14:1 contrast (WCAG AA passes).

Color values

HEX	#2633A1
RGB	rgb(38, 51, 161)
HSL	hsl(234, 62%, 39%)
HSV	hsv(234, 76%, 63%)
CMYK	cmyk(76.4%, 68.3%, 0%, 36.9%)
CIE-LAB	lab(27.71, 34.41, -60.71)
CIE-LCH	lch(27.71, 69.79, 299.54°)
OKLab	oklab(39.08% 0.001 -0.1757)
OKLCH	oklch(39.08% 0.176 270.3)
XYZ	xyz(8.4140, 5.3520, 34.3009)
Luminance	0.0535 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2633A1 #A19426

analogous

#2671A1 #2633A1 #5726A1

triadic

#2633A1 #A12633 #33A126

tetradic

#2633A1 #A12671 #A19426 #26A157

square

#2633A1 #A12671 #A19426 #26A157

split-complementary

#2633A1 #A15726 #71A126

monochromatic

#0F143E #1A236F #2633A1 #3545CF #6673DB

Accessibility & contrast

On white

10.14

#2633A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#2633A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2633A1

10.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2633A1	#FFFFFF	#000000	##FFFFFF
##2633A1	1.00	10.14	2.07	10.14
#FFFFFF	10.14	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047A4

Deuteranopia (green-blind)

#003C9F

Tritanopia (blue-blind)

#005165

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2633a1;
/* rgb */ color: rgb(38, 51, 161);
/* oklch */ color: oklch(39.1% 0.176 270.3);

Tailwind

colors: {
  custom: {
    50: '#756bbe',
    500: '#2633a1',
    950: '#000000',
  },
}

SCSS

$custom: #2633a1;
$custom-light: #756bbe;
$custom-dark: #000000;

JSON

{
  "hex": "#2633a1",
  "rgb": {
    "r": 38,
    "g": 51,
    "b": 161
  },
  "hsl": {
    "h": 233.659,
    "s": 61.809,
    "l": 39.02
  },
  "oklch": {
    "l": 0.39079,
    "c": 0.17568,
    "h": 270.3
  },
  "luminance": 0.05353
}

Semantic roles & 50–950 ramp

primary

#2633A1

secondary

#C1B762

accent

#D443E5

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #2633A1

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

Preview Lab → · Contrast checker → · Palette generator →