#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
RGBrgb(30, 51, 180)
HSLhsl(232, 71%, 41%)
HSVhsv(232, 83%, 71%)
CMYKcmyk(83.3%, 71.7%, 0%, 29.4%)
CIE-LABlab(29.25, 40.62, -69.60)
CIE-LCHlch(29.25, 80.59, 300.27°)
OKLaboklab(40.67% -0.0083 -0.2018)
OKLCHoklch(40.67% 0.202 267.6)
XYZxyz(9.9546, 5.9378, 43.7926)
Luminance0.0594 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

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
##1E33B41.009.602.199.60
#FFFFFF9.601.0021.001.00
#0000002.1921.001.0021.00
##FFFFFF9.601.0021.001.00

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 →

#1E33B4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva