#2633B1#2633B1

#2633B1 is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.7% C 0.196 H 269.8°. Best body text is #FFFFFF at 9.59:1 contrast (WCAG AA passes).

Color values

HEX	#2633B1
RGB	rgb(38, 51, 177)
HSL	hsl(234, 65%, 42%)
HSV	hsv(234, 79%, 69%)
CMYK	cmyk(78.5%, 71.2%, 0%, 30.6%)
CIE-LAB	lab(29.29, 40.15, -67.74)
CIE-LCH	lch(29.29, 78.75, 300.66°)
OKLab	oklab(40.7% -0.0007 -0.1962)
OKLCH	oklch(40.7% 0.196 269.8)
XYZ	xyz(9.9162, 5.9529, 42.2129)
Luminance	0.0595 (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

#2633B1 #B1A426

analogous

#2679B1 #2633B1 #5E26B1

triadic

#2633B1 #B12633 #33B126

tetradic

#2633B1 #B12679 #B1A426 #26B15E

square

#2633B1 #B12679 #B1A426 #26B15E

split-complementary

#2633B1 #B15E26 #79B126

monochromatic

#10164C #1B247F #2633B1 #3F4DD6 #717BE0

Accessibility & contrast

On white

9.59

#2633B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#2633B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2633B1

9.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2633B1	#FFFFFF	#000000	##FFFFFF
##2633B1	1.00	9.59	2.19	9.59
#FFFFFF	9.59	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CB5

Deuteranopia (green-blind)

#003EAF

Tritanopia (blue-blind)

#00576E

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2633b1;
/* rgb */ color: rgb(38, 51, 177);
/* oklch */ color: oklch(40.7% 0.196 269.8);

Tailwind

colors: {
  custom: {
    50: '#796bca',
    500: '#2633b1',
    950: '#000000',
  },
}

SCSS

$custom: #2633b1;
$custom-light: #796bca;
$custom-dark: #000000;

JSON

{
  "hex": "#2633b1",
  "rgb": {
    "r": 38,
    "g": 51,
    "b": 177
  },
  "hsl": {
    "h": 234.388,
    "s": 64.651,
    "l": 42.157
  },
  "oklch": {
    "l": 0.40696,
    "c": 0.19618,
    "h": 269.8
  },
  "luminance": 0.05954
}

Semantic roles & 50–950 ramp

primary

#2633B1

secondary

#C7BF6B

accent

#D840E8

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #2633B1

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

Preview Lab → · Contrast checker → · Palette generator →