#1E177B#1E177B

#1E177B is a dark, vivid blue. Relative luminance 0.023; OKLCH L 30.1% C 0.158 H 274.3°. Best body text is #FFFFFF at 14.35:1 contrast (WCAG AA passes).

Color values

HEX	#1E177B
RGB	rgb(30, 23, 123)
HSL	hsl(244, 68%, 29%)
HSV	hsv(244, 81%, 48%)
CMYK	cmyk(75.6%, 81.3%, 0%, 51.8%)
CIE-LAB	lab(17.08, 37.17, -54.63)
CIE-LCH	lch(17.08, 66.08, 304.23°)
OKLab	oklab(30.14% 0.012 -0.158)
OKLCH	oklch(30.14% 0.158 274.3)
XYZ	xyz(4.4158, 2.3184, 18.9498)
Luminance	0.0232 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E177B #747B17

analogous

#17427B #1E177B #50177B

triadic

#1E177B #7B1E17 #177B1E

tetradic

#1E177B #7B1742 #747B17 #177B50

square

#1E177B #7B1742 #747B17 #177B50

split-complementary

#1E177B #7B5017 #427B17

monochromatic

#06051A #110D47 #1E177B #2B21AF #3F33D9

Accessibility & contrast

On white

14.35

#1E177B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#1E177B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E177B

14.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E177B	#FFFFFF	#000000	##FFFFFF
##1E177B	1.00	14.35	1.46	14.35
#FFFFFF	14.35	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F7E

Deuteranopia (green-blind)

#002579

Tritanopia (blue-blind)

#003549

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #1e177b;
/* rgb */ color: rgb(30, 23, 123);
/* oklch */ color: oklch(30.1% 0.158 274.3);

Tailwind

colors: {
  custom: {
    50: '#6b57a2',
    500: '#1e177b',
    950: '#000000',
  },
}

SCSS

$custom: #1e177b;
$custom-light: #6b57a2;
$custom-dark: #000000;

JSON

{
  "hex": "#1e177b",
  "rgb": {
    "r": 30,
    "g": 23,
    "b": 123
  },
  "hsl": {
    "h": 244.2,
    "s": 68.493,
    "l": 28.627
  },
  "oklch": {
    "l": 0.3014,
    "c": 0.15849,
    "h": 274.3
  },
  "luminance": 0.02319
}

Semantic roles & 50–950 ramp

primary

#1E177B

secondary

#A8B03E

accent

#EB3CDF

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#08030F

muted

#7A787F

Preview Lab

Preview with #1E177B

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

Preview Lab → · Contrast checker → · Palette generator →