#1E177F#1E177F

#1E177F is a dark, vivid blue. Relative luminance 0.024; OKLCH L 30.6% C 0.164 H 273.9°. Best body text is #FFFFFF at 14.15:1 contrast (WCAG AA passes).

Color values

HEX	#1E177F
RGB	rgb(30, 23, 127)
HSL	hsl(244, 69%, 29%)
HSV	hsv(244, 82%, 50%)
CMYK	cmyk(76.4%, 81.9%, 0%, 50.2%)
CIE-LAB	lab(17.56, 38.51, -56.39)
CIE-LCH	lch(17.56, 68.29, 304.33°)
OKLab	oklab(30.62% 0.011 -0.1631)
OKLCH	oklch(30.62% 0.164 273.9)
XYZ	xyz(4.6713, 2.4206, 20.2956)
Luminance	0.0242 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E177F #787F17

analogous

#17447F #1E177F #52177F

triadic

#1E177F #7F1E17 #177F1E

tetradic

#1E177F #7F1744 #787F17 #177F52

square

#1E177F #7F1744 #787F17 #177F52

split-complementary

#1E177F #7F5217 #447F17

monochromatic

#06051A #120E4B #1E177F #2A20B3 #4136DB

Accessibility & contrast

On white

14.15

#1E177F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#1E177F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E177F

14.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E177F	#FFFFFF	#000000	##FFFFFF
##1E177F	1.00	14.15	1.48	14.15
#FFFFFF	14.15	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003082

Deuteranopia (green-blind)

#00267D

Tritanopia (blue-blind)

#00374B

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #1e177f;
/* rgb */ color: rgb(30, 23, 127);
/* oklch */ color: oklch(30.6% 0.164 273.9);

Tailwind

colors: {
  custom: {
    50: '#6c57a5',
    500: '#1e177f',
    950: '#000000',
  },
}

SCSS

$custom: #1e177f;
$custom-light: #6c57a5;
$custom-dark: #000000;

JSON

{
  "hex": "#1e177f",
  "rgb": {
    "r": 30,
    "g": 23,
    "b": 127
  },
  "hsl": {
    "h": 244.038,
    "s": 69.333,
    "l": 29.412
  },
  "oklch": {
    "l": 0.30615,
    "c": 0.1635,
    "h": 273.9
  },
  "luminance": 0.02421
}

Semantic roles & 50–950 ramp

primary

#1E177F

secondary

#ACB43E

accent

#EC3CE0

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #1E177F

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

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