#1E3897#1E3897

#1E3897 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.7% C 0.158 H 266.7°. Best body text is #FFFFFF at 10.16:1 contrast (WCAG AA passes).

Color values

HEX	#1E3897
RGB	rgb(30, 56, 151)
HSL	hsl(227, 67%, 35%)
HSV	hsv(227, 80%, 59%)
CMYK	cmyk(80.1%, 62.9%, 0%, 40.8%)
CIE-LAB	lab(27.68, 26.52, -54.70)
CIE-LCH	lch(27.68, 60.79, 295.86°)
OKLab	oklab(38.67% -0.009 -0.1582)
OKLCH	oklch(38.67% 0.158 266.7)
XYZ	xyz(7.5336, 5.3379, 29.9054)
Luminance	0.0534 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E3897 #977D1E

analogous

#1E7597 #1E3897 #401E97

triadic

#1E3897 #971E38 #38971E

tetradic

#1E3897 #971E75 #977D1E #1E9740

square

#1E3897 #971E75 #977D1E #1E9740

split-complementary

#1E3897 #97401E #75971E

monochromatic

#0A1231 #142564 #1E3897 #284BCA #5370DD

Accessibility & contrast

On white

10.16

#1E3897 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#1E3897 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E3897

10.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E3897	#FFFFFF	#000000	##FFFFFF
##1E3897	1.00	10.16	2.07	10.16
#FFFFFF	10.16	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00479A

Deuteranopia (green-blind)

#003C95

Tritanopia (blue-blind)

#005162

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #1e3897;
/* rgb */ color: rgb(30, 56, 151);
/* oklch */ color: oklch(38.7% 0.158 266.7);

Tailwind

colors: {
  custom: {
    50: '#6f6eb6',
    500: '#1e3897',
    950: '#000000',
  },
}

SCSS

$custom: #1e3897;
$custom-light: #6f6eb6;
$custom-dark: #000000;

JSON

{
  "hex": "#1e3897",
  "rgb": {
    "r": 30,
    "g": 56,
    "b": 151
  },
  "hsl": {
    "h": 227.107,
    "s": 66.851,
    "l": 35.49
  },
  "oklch": {
    "l": 0.38665,
    "c": 0.15847,
    "h": 266.7
  },
  "luminance": 0.05339
}

Semantic roles & 50–950 ramp

primary

#1E3897

secondary

#C0A851

accent

#C53EEA

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #1E3897

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

Preview Lab → · Contrast checker → · Palette generator →