#1D2597#1D2597

#1D2597 is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.3% C 0.180 H 269.9°. Best body text is #FFFFFF at 11.91:1 contrast (WCAG AA passes).

Color values

HEX	#1D2597
RGB	rgb(29, 37, 151)
HSL	hsl(236, 68%, 35%)
HSV	hsv(236, 81%, 59%)
CMYK	cmyk(80.8%, 75.5%, 0%, 40.8%)
CIE-LAB	lab(23.06, 38.72, -62.29)
CIE-LCH	lch(23.06, 73.35, 301.86°)
OKLab	oklab(35.29% -0.0004 -0.1804)
OKLCH	oklch(35.29% 0.18 269.9)
XYZ	xyz(6.7523, 3.8179, 29.6532)
Luminance	0.0382 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2597 #978F1D

analogous

#1D6297 #1D2597 #521D97

triadic

#1D2597 #971D25 #25971D

tetradic

#1D2597 #971D62 #978F1D #1D9752

square

#1D2597 #971D62 #978F1D #1D9752

split-complementary

#1D2597 #97521D #62971D

monochromatic

#090C30 #131864 #1D2597 #2732CA #515ADE

Accessibility & contrast

On white

11.91

#1D2597 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#1D2597 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2597

11.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2597	#FFFFFF	#000000	##FFFFFF
##1D2597	1.00	11.91	1.76	11.91
#FFFFFF	11.91	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D9A

Deuteranopia (green-blind)

#003195

Tritanopia (blue-blind)

#00465C

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #1d2597;
/* rgb */ color: rgb(29, 37, 151);
/* oklch */ color: oklch(35.3% 0.180 269.9);

Tailwind

colors: {
  custom: {
    50: '#7061b7',
    500: '#1d2597',
    950: '#000000',
  },
}

SCSS

$custom: #1d2597;
$custom-light: #7061b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2597",
  "rgb": {
    "r": 29,
    "g": 37,
    "b": 151
  },
  "hsl": {
    "h": 236.066,
    "s": 67.778,
    "l": 35.294
  },
  "oklch": {
    "l": 0.35294,
    "c": 0.18044,
    "h": 269.9
  },
  "luminance": 0.03819
}

Semantic roles & 50–950 ramp

primary

#1D2597

secondary

#C0B94F

accent

#DF3DEB

background

#F7F5FB

surface

#EDEAF6

border

#C8C6D0

text

#090511

muted

#7B7980

Preview Lab

Preview with #1D2597

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

Preview Lab → · Contrast checker → · Palette generator →