#1E3597#1E3597

#1E3597 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.1% C 0.162 H 267.4°. Best body text is #FFFFFF at 10.44:1 contrast (WCAG AA passes).

Color values

HEX	#1E3597
RGB	rgb(30, 53, 151)
HSL	hsl(229, 67%, 35%)
HSV	hsv(229, 80%, 59%)
CMYK	cmyk(80.1%, 64.9%, 0%, 40.8%)
CIE-LAB	lab(26.89, 28.55, -55.98)
CIE-LCH	lch(26.89, 62.84, 297.02°)
OKLab	oklab(38.09% -0.0072 -0.162)
OKLCH	oklch(38.09% 0.162 267.4)
XYZ	xyz(7.3925, 5.0557, 29.8584)
Luminance	0.0506 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E3597 #97801E

analogous

#1E7197 #1E3597 #431E97

triadic

#1E3597 #971E35 #35971E

tetradic

#1E3597 #971E71 #97801E #1E9743

square

#1E3597 #971E71 #97801E #1E9743

split-complementary

#1E3597 #97431E #71971E

monochromatic

#0A1131 #142364 #1E3597 #2847CA #536DDD

Accessibility & contrast

On white

10.44

#1E3597 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#1E3597 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E3597

10.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E3597	#FFFFFF	#000000	##FFFFFF
##1E3597	1.00	10.44	2.01	10.44
#FFFFFF	10.44	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00459A

Deuteranopia (green-blind)

#003A95

Tritanopia (blue-blind)

#004F61

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #1e3597;
/* rgb */ color: rgb(30, 53, 151);
/* oklch */ color: oklch(38.1% 0.162 267.4);

Tailwind

colors: {
  custom: {
    50: '#6f6cb7',
    500: '#1e3597',
    950: '#000000',
  },
}

SCSS

$custom: #1e3597;
$custom-light: #6f6cb7;
$custom-dark: #000000;

JSON

{
  "hex": "#1e3597",
  "rgb": {
    "r": 30,
    "g": 53,
    "b": 151
  },
  "hsl": {
    "h": 228.595,
    "s": 66.851,
    "l": 35.49
  },
  "oklch": {
    "l": 0.38086,
    "c": 0.16216,
    "h": 267.4
  },
  "luminance": 0.05057
}

Semantic roles & 50–950 ramp

primary

#1E3597

secondary

#C0AB51

accent

#C93EEA

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #1E3597

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

Preview Lab → · Contrast checker → · Palette generator →