#1E337B#1E337B

#1E337B is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.1% C 0.125 H 267.2°. Best body text is #FFFFFF at 11.57:1 contrast (WCAG AA passes).

Color values

HEX	#1E337B
RGB	rgb(30, 51, 123)
HSL	hsl(226, 61%, 30%)
HSV	hsv(226, 76%, 48%)
CMYK	cmyk(75.6%, 58.5%, 0%, 51.8%)
CIE-LAB	lab(23.91, 18.91, -43.42)
CIE-LCH	lch(23.91, 47.36, 293.53°)
OKLab	oklab(35.11% -0.006 -0.1252)
OKLCH	oklch(35.11% 0.125 267.2)
XYZ	xyz(5.2932, 4.0732, 19.2423)
Luminance	0.0407 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E337B #7B661E

analogous

#1E617B #1E337B #381E7B

triadic

#1E337B #7B1E33 #337B1E

tetradic

#1E337B #7B1E61 #7B661E #1E7B38

square

#1E337B #7B1E61 #7B661E #1E7B38

split-complementary

#1E337B #7B381E #617B1E

monochromatic

#060A19 #121F4A #1E337B #2A47AC #4263D1

Accessibility & contrast

On white

11.57

#1E337B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#1E337B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E337B

11.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E337B	#FFFFFF	#000000	##FFFFFF
##1E337B	1.00	11.57	1.81	11.57
#FFFFFF	11.57	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D7D

Deuteranopia (green-blind)

#00357A

Tritanopia (blue-blind)

#004551

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #1e337b;
/* rgb */ color: rgb(30, 51, 123);
/* oklch */ color: oklch(35.1% 0.125 267.2);

Tailwind

colors: {
  custom: {
    50: '#686aa2',
    500: '#1e337b',
    950: '#000000',
  },
}

SCSS

$custom: #1e337b;
$custom-light: #686aa2;
$custom-dark: #000000;

JSON

{
  "hex": "#1e337b",
  "rgb": {
    "r": 30,
    "g": 51,
    "b": 123
  },
  "hsl": {
    "h": 226.452,
    "s": 60.784,
    "l": 30
  },
  "oklch": {
    "l": 0.35112,
    "c": 0.12532,
    "h": 267.2
  },
  "luminance": 0.04074
}

Semantic roles & 50–950 ramp

primary

#1E337B

secondary

#AE9746

accent

#C044E4

background

#F6F6FA

surface

#EBEBF3

border

#C6C6CD

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #1E337B

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

Preview Lab → · Contrast checker → · Palette generator →