#1D297C#1D297C

#1D297C is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.1% C 0.140 H 270.2°. Best body text is #FFFFFF at 12.65:1 contrast (WCAG AA passes).

Color values

HEX	#1D297C
RGB	rgb(29, 41, 124)
HSL	hsl(232, 62%, 30%)
HSV	hsv(232, 77%, 49%)
CMYK	cmyk(76.6%, 66.9%, 0%, 51.4%)
CIE-LAB	lab(21.21, 26.14, -48.46)
CIE-LCH	lch(21.21, 55.06, 298.35°)
OKLab	oklab(33.12% 0.0005 -0.1401)
OKLCH	oklch(33.12% 0.14 270.2)
XYZ	xyz(4.9365, 3.3018, 19.4420)
Luminance	0.0330 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D297C #7C701D

analogous

#1D597C #1D297C #401D7C

triadic

#1D297C #7C1D29 #297C1D

tetradic

#1D297C #7C1D59 #7C701D #1D7C40

square

#1D297C #7C1D59 #7C701D #1D7C40

split-complementary

#1D297C #7C401D #597C1D

monochromatic

#060819 #11194A #1D297C #2939AE #4153D3

Accessibility & contrast

On white

12.65

#1D297C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#1D297C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D297C

12.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D297C	#FFFFFF	#000000	##FFFFFF
##1D297C	1.00	12.65	1.66	12.65
#FFFFFF	12.65	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00377F

Deuteranopia (green-blind)

#002F7A

Tritanopia (blue-blind)

#003F4E

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #1d297c;
/* rgb */ color: rgb(29, 41, 124);
/* oklch */ color: oklch(33.1% 0.140 270.2);

Tailwind

colors: {
  custom: {
    50: '#6962a3',
    500: '#1d297c',
    950: '#000000',
  },
}

SCSS

$custom: #1d297c;
$custom-light: #6962a3;
$custom-dark: #000000;

JSON

{
  "hex": "#1d297c",
  "rgb": {
    "r": 29,
    "g": 41,
    "b": 124
  },
  "hsl": {
    "h": 232.421,
    "s": 62.092,
    "l": 30
  },
  "oklch": {
    "l": 0.33123,
    "c": 0.1401,
    "h": 270.2
  },
  "luminance": 0.03302
}

Semantic roles & 50–950 ramp

primary

#1D297C

secondary

#B0A245

accent

#D143E5

background

#F6F5FA

surface

#ECEAF4

border

#C7C6CE

text

#07050F

muted

#7A797F

Preview Lab

Preview with #1D297C

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

Preview Lab → · Contrast checker → · Palette generator →