#1E28A0#1E28A0

#1E28A0 is a dark, vivid blue. Relative luminance 0.043; OKLCH L 36.8% C 0.188 H 269.4°. Best body text is #FFFFFF at 11.25:1 contrast (WCAG AA passes).

Color values

HEX	#1E28A0
RGB	rgb(30, 40, 160)
HSL	hsl(235, 68%, 37%)
HSV	hsv(235, 81%, 63%)
CMYK	cmyk(81.3%, 75%, 0%, 37.3%)
CIE-LAB	lab(24.74, 40.17, -65.03)
CIE-LCH	lch(24.74, 76.44, 301.71°)
OKLab	oklab(36.8% -0.0019 -0.1884)
OKLCH	oklch(36.8% 0.188 269.4)
XYZ	xyz(7.6372, 4.3308, 33.6843)
Luminance	0.0433 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E28A0 #A0961E

analogous

#1E69A0 #1E28A0 #551EA0

triadic

#1E28A0 #A01E28 #28A01E

tetradic

#1E28A0 #A01E69 #A0961E #1EA055

square

#1E28A0 #A01E69 #A0961E #1EA055

split-complementary

#1E28A0 #A0551E #69A01E

monochromatic

#0B0E39 #141B6C #1E28A0 #2835D4 #5963E0

Accessibility & contrast

On white

11.25

#1E28A0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#1E28A0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E28A0

11.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E28A0	#FFFFFF	#000000	##FFFFFF
##1E28A0	1.00	11.25	1.87	11.25
#FFFFFF	11.25	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041A3

Deuteranopia (green-blind)

#00349E

Tritanopia (blue-blind)

#004B62

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #1e28a0;
/* rgb */ color: rgb(30, 40, 160);
/* oklch */ color: oklch(36.8% 0.188 269.4);

Tailwind

colors: {
  custom: {
    50: '#7363bd',
    500: '#1e28a0',
    950: '#000000',
  },
}

SCSS

$custom: #1e28a0;
$custom-light: #7363bd;
$custom-dark: #000000;

JSON

{
  "hex": "#1e28a0",
  "rgb": {
    "r": 30,
    "g": 40,
    "b": 160
  },
  "hsl": {
    "h": 235.385,
    "s": 68.421,
    "l": 37.255
  },
  "oklch": {
    "l": 0.36795,
    "c": 0.18841,
    "h": 269.4
  },
  "luminance": 0.04332
}

Semantic roles & 50–950 ramp

primary

#1E28A0

secondary

#C4BB56

accent

#DE3DEB

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #1E28A0

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

Preview Lab → · Contrast checker → · Palette generator →