#1D197F#1D197F

#1D197F is a dark, vivid blue. Relative luminance 0.025; OKLCH L 30.8% C 0.162 H 273.1°. Best body text is #FFFFFF at 14.02:1 contrast (WCAG AA passes).

Color values

HEX	#1D197F
RGB	rgb(29, 25, 127)
HSL	hsl(242, 67%, 30%)
HSV	hsv(242, 80%, 50%)
CMYK	cmyk(77.2%, 80.3%, 0%, 50.2%)
CIE-LAB	lab(17.87, 37.34, -55.88)
CIE-LCH	lch(17.87, 67.21, 303.75°)
OKLab	oklab(30.81% 0.0089 -0.1617)
OKLCH	oklch(30.81% 0.162 273.1)
XYZ	xyz(4.6838, 2.4883, 20.3080)
Luminance	0.0249 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D197F #7B7F19

analogous

#19487F #1D197F #50197F

triadic

#1D197F #7F1D19 #197F1D

tetradic

#1D197F #7F1948 #7B7F19 #197F50

square

#1D197F #7F1948 #7B7F19 #197F50

split-complementary

#1D197F #7F5019 #487F19

monochromatic

#06051A #110F4C #1D197F #2923B2 #403AD8

Accessibility & contrast

On white

14.02

#1D197F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#1D197F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D197F

14.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D197F	#FFFFFF	#000000	##FFFFFF
##1D197F	1.00	14.02	1.50	14.02
#FFFFFF	14.02	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	14.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003082

Deuteranopia (green-blind)

#00277D

Tritanopia (blue-blind)

#00384B

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #1d197f;
/* rgb */ color: rgb(29, 25, 127);
/* oklch */ color: oklch(30.8% 0.162 273.1);

Tailwind

colors: {
  custom: {
    50: '#6b58a5',
    500: '#1d197f',
    950: '#000000',
  },
}

SCSS

$custom: #1d197f;
$custom-light: #6b58a5;
$custom-dark: #000000;

JSON

{
  "hex": "#1d197f",
  "rgb": {
    "r": 29,
    "g": 25,
    "b": 127
  },
  "hsl": {
    "h": 242.353,
    "s": 67.105,
    "l": 29.804
  },
  "oklch": {
    "l": 0.30814,
    "c": 0.16194,
    "h": 273.1
  },
  "luminance": 0.02489
}

Semantic roles & 50–950 ramp

primary

#1D197F

secondary

#AFB341

accent

#EA3EE3

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #1D197F

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

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