#1933B4#1933B4

#1933B4 is a dark, highly saturated blue. Relative luminance 0.059; OKLCH L 40.5% C 0.203 H 266.6°. Best body text is #FFFFFF at 9.66:1 contrast (WCAG AA passes).

Color values

HEX	#1933B4
RGB	rgb(25, 51, 180)
HSL	hsl(230, 76%, 40%)
HSV	hsv(230, 86%, 71%)
CMYK	cmyk(86.1%, 71.7%, 0%, 29.4%)
CIE-LAB	lab(29.08, 40.32, -69.90)
CIE-LCH	lch(29.08, 80.70, 299.97°)
OKLab	oklab(40.49% -0.0121 -0.2027)
OKLCH	oklch(40.49% 0.203 266.6)
XYZ	xyz(9.8201, 5.8684, 43.7863)
Luminance	0.0587 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1933B4 #B49A19

analogous

#1981B4 #1933B4 #4C19B4

triadic

#1933B4 #B41933 #33B419

tetradic

#1933B4 #B41981 #B49A19 #19B44C

square

#1933B4 #B41981 #B49A19 #19B44C

split-complementary

#1933B4 #B44C19 #81B419

monochromatic

#0A1549 #12247E #1933B4 #2948E1 #5F76E9

Accessibility & contrast

On white

9.66

#1933B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#1933B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1933B4

9.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1933B4	#FFFFFF	#000000	##FFFFFF
##1933B4	1.00	9.66	2.17	9.66
#FFFFFF	9.66	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CB8

Deuteranopia (green-blind)

#003DB2

Tritanopia (blue-blind)

#005870

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #1933b4;
/* rgb */ color: rgb(25, 51, 180);
/* oklch */ color: oklch(40.5% 0.203 266.6);

Tailwind

colors: {
  custom: {
    50: '#766bcc',
    500: '#1933b4',
    950: '#000000',
  },
}

SCSS

$custom: #1933b4;
$custom-light: #766bcc;
$custom-dark: #000000;

JSON

{
  "hex": "#1933b4",
  "rgb": {
    "r": 25,
    "g": 51,
    "b": 180
  },
  "hsl": {
    "h": 229.935,
    "s": 75.61,
    "l": 40.196
  },
  "oklch": {
    "l": 0.40488,
    "c": 0.20305,
    "h": 266.6
  },
  "luminance": 0.0587
}

Semantic roles & 50–950 ramp

primary

#1933B4

secondary

#CDBA5C

accent

#D336F2

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0A0714

muted

#7C7A82

Preview Lab

Preview with #1933B4

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

Preview Lab → · Contrast checker → · Palette generator →