#1E358B#1E358B

#1E358B is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.0% C 0.146 H 267.2°. Best body text is #FFFFFF at 10.84:1 contrast (WCAG AA passes).

Color values

HEX	#1E358B
RGB	rgb(30, 53, 139)
HSL	hsl(227, 64%, 33%)
HSV	hsv(227, 78%, 55%)
CMYK	cmyk(78.4%, 61.9%, 0%, 45.5%)
CIE-LAB	lab(25.82, 23.87, -50.34)
CIE-LCH	lch(25.82, 55.71, 295.37°)
OKLab	oklab(36.96% -0.0071 -0.1455)
OKLCH	oklch(36.96% 0.146 267.2)
XYZ	xyz(6.4671, 4.6856, 24.9847)
Luminance	0.0469 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E358B #8B741E

analogous

#1E6B8B #1E358B #3D1E8B

triadic

#1E358B #8B1E35 #358B1E

tetradic

#1E358B #8B1E6B #8B741E #1E8B3D

square

#1E358B #8B1E6B #8B741E #1E8B3D

split-complementary

#1E358B #8B3D1E #6B8B1E

monochromatic

#080F26 #132259 #1E358B #2948BD #4B69D8

Accessibility & contrast

On white

10.84

#1E358B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#1E358B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E358B

10.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E358B	#FFFFFF	#000000	##FFFFFF
##1E358B	1.00	10.84	1.94	10.84
#FFFFFF	10.84	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00428E

Deuteranopia (green-blind)

#003889

Tritanopia (blue-blind)

#004B5A

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #1e358b;
/* rgb */ color: rgb(30, 53, 139);
/* oklch */ color: oklch(37.0% 0.146 267.2);

Tailwind

colors: {
  custom: {
    50: '#6c6bae',
    500: '#1e358b',
    950: '#000000',
  },
}

SCSS

$custom: #1e358b;
$custom-light: #6c6bae;
$custom-dark: #000000;

JSON

{
  "hex": "#1e358b",
  "rgb": {
    "r": 30,
    "g": 53,
    "b": 139
  },
  "hsl": {
    "h": 227.339,
    "s": 64.497,
    "l": 33.137
  },
  "oklch": {
    "l": 0.3696,
    "c": 0.14563,
    "h": 267.2
  },
  "luminance": 0.04686
}

Semantic roles & 50–950 ramp

primary

#1E358B

secondary

#BBA34A

accent

#C440E7

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #1E358B

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

Preview Lab → · Contrast checker → · Palette generator →