#1D4597#1D4597

#1D4597 is a dark, vivid blue. Relative luminance 0.068; OKLCH L 41.3% C 0.142 H 262.4°. Best body text is #FFFFFF at 8.93:1 contrast (WCAG AA passes).

Color values

HEX	#1D4597
RGB	rgb(29, 69, 151)
HSL	hsl(220, 68%, 35%)
HSV	hsv(220, 81%, 59%)
CMYK	cmyk(80.8%, 54.3%, 0%, 40.8%)
CIE-LAB	lab(31.23, 17.51, -48.91)
CIE-LCH	lch(31.23, 51.95, 289.70°)
OKLab	oklab(41.33% -0.0187 -0.141)
OKLCH	oklch(41.33% 0.142 262.4)
XYZ	xyz(8.2187, 6.7509, 30.1420)
Luminance	0.0675 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4597 #976F1D

analogous

#1D8297 #1D4597 #321D97

triadic

#1D4597 #971D45 #45971D

tetradic

#1D4597 #971D82 #976F1D #1D9732

square

#1D4597 #971D82 #976F1D #1D9732

split-complementary

#1D4597 #97321D #82971D

monochromatic

#091630 #132E64 #1D4597 #275CCA #517FDE

Accessibility & contrast

On white

8.93

#1D4597 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#1D4597 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4597

8.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4597	#FFFFFF	#000000	##FFFFFF
##1D4597	1.00	8.93	2.35	8.93
#FFFFFF	8.93	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#044F9A

Deuteranopia (green-blind)

#004495

Tritanopia (blue-blind)

#005967

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #1d4597;
/* rgb */ color: rgb(29, 69, 151);
/* oklch */ color: oklch(41.3% 0.142 262.4);

Tailwind

colors: {
  custom: {
    50: '#6e78b6',
    500: '#1d4597',
    950: '#000000',
  },
}

SCSS

$custom: #1d4597;
$custom-light: #6e78b6;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4597",
  "rgb": {
    "r": 29,
    "g": 69,
    "b": 151
  },
  "hsl": {
    "h": 220.328,
    "s": 67.778,
    "l": 35.294
  },
  "oklch": {
    "l": 0.41325,
    "c": 0.14225,
    "h": 262.4
  },
  "luminance": 0.06752
}

Semantic roles & 50–950 ramp

primary

#1D4597

secondary

#C09B4F

accent

#B23DEB

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1D4597

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

Preview Lab → · Contrast checker → · Palette generator →