#1E3972#1E3972

#1E3972 is a dark, moderate blue. Relative luminance 0.044; OKLCH L 35.7% C 0.104 H 263.1°. Best body text is #FFFFFF at 11.15:1 contrast (WCAG AA passes).

Color values

HEX	#1E3972
RGB	rgb(30, 57, 114)
HSL	hsl(221, 58%, 28%)
HSV	hsv(221, 74%, 45%)
CMYK	cmyk(73.7%, 50%, 0%, 55.3%)
CIE-LAB	lab(25.00, 11.04, -35.94)
CIE-LCH	lch(25.00, 37.60, 287.07°)
OKLab	oklab(35.72% -0.0124 -0.103)
OKLCH	oklch(35.72% 0.104 263.1)
XYZ	xyz(5.0347, 4.4167, 16.5035)
Luminance	0.0442 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E3972 #72571E

analogous

#1E6372 #1E3972 #2D1E72

triadic

#1E3972 #721E39 #39721E

tetradic

#1E3972 #721E63 #72571E #1E722D

square

#1E3972 #721E63 #72571E #1E722D

split-complementary

#1E3972 #722D1E #63721E

monochromatic

#060C18 #112142 #1E3972 #2B51A2 #3E6CCC

Accessibility & contrast

On white

11.15

#1E3972 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#1E3972 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E3972

11.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E3972	#FFFFFF	#000000	##FFFFFF
##1E3972	1.00	11.15	1.88	11.15
#FFFFFF	11.15	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A3F74

Deuteranopia (green-blind)

#053871

Tritanopia (blue-blind)

#004650

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #1e3972;
/* rgb */ color: rgb(30, 57, 114);
/* oklch */ color: oklch(35.7% 0.104 263.1);

Tailwind

colors: {
  custom: {
    50: '#666e9b',
    500: '#1e3972',
    950: '#000000',
  },
}

SCSS

$custom: #1e3972;
$custom-light: #666e9b;
$custom-dark: #000000;

JSON

{
  "hex": "#1e3972",
  "rgb": {
    "r": 30,
    "g": 57,
    "b": 114
  },
  "hsl": {
    "h": 220.714,
    "s": 58.333,
    "l": 28.235
  },
  "oklch": {
    "l": 0.35722,
    "c": 0.1038,
    "h": 263.1
  },
  "luminance": 0.04417
}

Semantic roles & 50–950 ramp

primary

#1E3972

secondary

#A68746

accent

#B046E2

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #1E3972

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

Preview Lab → · Contrast checker → · Palette generator →