#1E33B4#1E33B4

#1E33B4 is a dark, highly saturated blue. Relative luminance 0.059; OKLCH L 40.7% C 0.202 H 267.6°. Best body text is #FFFFFF at 9.60:1 contrast (WCAG AA passes).

Color values

HEX	#1E33B4
RGB	rgb(30, 51, 180)
HSL	hsl(232, 71%, 41%)
HSV	hsv(232, 83%, 71%)
CMYK	cmyk(83.3%, 71.7%, 0%, 29.4%)
CIE-LAB	lab(29.25, 40.62, -69.60)
CIE-LCH	lch(29.25, 80.59, 300.27°)
OKLab	oklab(40.67% -0.0083 -0.2018)
OKLCH	oklch(40.67% 0.202 267.6)
XYZ	xyz(9.9546, 5.9378, 43.7926)
Luminance	0.0594 (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

#1E33B4 #B49F1E

analogous

#1E7EB4 #1E33B4 #541EB4

triadic

#1E33B4 #B41E33 #33B41E

tetradic

#1E33B4 #B41E7E #B49F1E #1EB454

square

#1E33B4 #B41E7E #B49F1E #1EB454

split-complementary

#1E33B4 #B4541E #7EB41E

monochromatic

#0D154B #152480 #1E33B4 #324ADD #6779E6

Accessibility & contrast

On white

9.60

#1E33B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#1E33B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E33B4

9.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E33B4	#FFFFFF	#000000	##FFFFFF
##1E33B4	1.00	9.60	2.19	9.60
#FFFFFF	9.60	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CB8

Deuteranopia (green-blind)

#003EB2

Tritanopia (blue-blind)

#005870

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #1e33b4;
/* rgb */ color: rgb(30, 51, 180);
/* oklch */ color: oklch(40.7% 0.202 267.6);

Tailwind

colors: {
  custom: {
    50: '#776bcc',
    500: '#1e33b4',
    950: '#000000',
  },
}

SCSS

$custom: #1e33b4;
$custom-light: #776bcc;
$custom-dark: #000000;

JSON

{
  "hex": "#1e33b4",
  "rgb": {
    "r": 30,
    "g": 51,
    "b": 180
  },
  "hsl": {
    "h": 231.6,
    "s": 71.429,
    "l": 41.176
  },
  "oklch": {
    "l": 0.40665,
    "c": 0.20192,
    "h": 267.6
  },
  "luminance": 0.05939
}

Semantic roles & 50–950 ramp

primary

#1E33B4

secondary

#CBBC63

accent

#D53AEE

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #1E33B4

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

Preview Lab → · Contrast checker → · Palette generator →