#1E33B3#1E33B3

#1E33B3 is a dark, highly saturated blue. Relative luminance 0.059; OKLCH L 40.6% C 0.201 H 267.7°. Best body text is #FFFFFF at 9.63:1 contrast (WCAG AA passes).

Color values

HEX	#1E33B3
RGB	rgb(30, 51, 179)
HSL	hsl(232, 71%, 41%)
HSV	hsv(232, 83%, 70%)
CMYK	cmyk(83.2%, 71.5%, 0%, 29.8%)
CIE-LAB	lab(29.15, 40.26, -69.18)
CIE-LCH	lch(29.15, 80.04, 300.20°)
OKLab	oklab(40.56% -0.0082 -0.2005)
OKLCH	oklch(40.56% 0.201 267.7)
XYZ	xyz(9.8531, 5.8972, 43.2580)
Luminance	0.0590 (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

#1E33B3 #B39E1E

analogous

#1E7DB3 #1E33B3 #541EB3

triadic

#1E33B3 #B31E33 #33B31E

tetradic

#1E33B3 #B31E7D #B39E1E #1EB354

square

#1E33B3 #B31E7D #B39E1E #1EB354

split-complementary

#1E33B3 #B3541E #7DB31E

monochromatic

#0C154A #15247F #1E33B3 #324ADD #6678E5

Accessibility & contrast

On white

9.63

#1E33B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#1E33B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E33B3

9.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E33B3	#FFFFFF	#000000	##FFFFFF
##1E33B3	1.00	9.63	2.18	9.63
#FFFFFF	9.63	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CB7

Deuteranopia (green-blind)

#003DB1

Tritanopia (blue-blind)

#00576F

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #1e33b3;
/* rgb */ color: rgb(30, 51, 179);
/* oklch */ color: oklch(40.6% 0.201 267.7);

Tailwind

colors: {
  custom: {
    50: '#776bcb',
    500: '#1e33b3',
    950: '#000000',
  },
}

SCSS

$custom: #1e33b3;
$custom-light: #776bcb;
$custom-dark: #000000;

JSON

{
  "hex": "#1e33b3",
  "rgb": {
    "r": 30,
    "g": 51,
    "b": 179
  },
  "hsl": {
    "h": 231.544,
    "s": 71.292,
    "l": 40.98
  },
  "oklch": {
    "l": 0.40559,
    "c": 0.20068,
    "h": 267.7
  },
  "luminance": 0.05898
}

Semantic roles & 50–950 ramp

primary

#1E33B3

secondary

#CBBC62

accent

#D53AEE

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #1E33B3

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

Preview Lab → · Contrast checker → · Palette generator →