#1D458E#1D458E

#1D458E is a dark, vivid blue. Relative luminance 0.065; OKLCH L 40.6% C 0.130 H 261.2°. Best body text is #FFFFFF at 9.15:1 contrast (WCAG AA passes).

Color values

HEX	#1D458E
RGB	rgb(29, 69, 142)
HSL	hsl(219, 66%, 34%)
HSV	hsv(219, 80%, 56%)
CMYK	cmyk(79.6%, 51.4%, 0%, 44.3%)
CIE-LAB	lab(30.57, 13.88, -44.48)
CIE-LCH	lch(30.57, 46.60, 287.33°)
OKLab	oklab(40.61% -0.0198 -0.128)
OKLCH	oklch(40.61% 0.13 261.2)
XYZ	xyz(7.5155, 6.4696, 26.4386)
Luminance	0.0647 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D458E #8E661D

analogous

#1D7D8E #1D458E #2D1D8E

triadic

#1D458E #8E1D45 #458E1D

tetradic

#1D458E #8E1D7D #8E661D #1D8E2D

square

#1D458E #8E1D7D #8E661D #1D8E2D

split-complementary

#1D458E #8E2D1D #7D8E1D

monochromatic

#081428 #132C5B #1D458E #275EC1 #4B7EDA

Accessibility & contrast

On white

9.15

#1D458E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#1D458E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D458E

9.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D458E	#FFFFFF	#000000	##FFFFFF
##1D458E	1.00	9.15	2.29	9.15
#FFFFFF	9.15	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#184D91

Deuteranopia (green-blind)

#00438D

Tritanopia (blue-blind)

#005762

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1d458e;
/* rgb */ color: rgb(29, 69, 142);
/* oklch */ color: oklch(40.6% 0.130 261.2);

Tailwind

colors: {
  custom: {
    50: '#6b78b0',
    500: '#1d458e',
    950: '#000000',
  },
}

SCSS

$custom: #1d458e;
$custom-light: #6b78b0;
$custom-dark: #000000;

JSON

{
  "hex": "#1d458e",
  "rgb": {
    "r": 29,
    "g": 69,
    "b": 142
  },
  "hsl": {
    "h": 218.761,
    "s": 66.082,
    "l": 33.529
  },
  "oklch": {
    "l": 0.40607,
    "c": 0.1295,
    "h": 261.2
  },
  "luminance": 0.0647
}

Semantic roles & 50–950 ramp

primary

#1D458E

secondary

#BD944A

accent

#AD3FE9

background

#F6F7FA

surface

#ECEDF5

border

#C7C8CF

text

#080810

muted

#7A7B7F

Preview Lab

Preview with #1D458E

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

Preview Lab → · Contrast checker → · Palette generator →