#1D458A#1D458A

#1D458A is a dark, vivid blue. Relative luminance 0.064; OKLCH L 40.3% C 0.124 H 260.5°. Best body text is #FFFFFF at 9.25:1 contrast (WCAG AA passes).

Color values

HEX	#1D458A
RGB	rgb(29, 69, 138)
HSL	hsl(218, 65%, 33%)
HSV	hsv(218, 79%, 54%)
CMYK	cmyk(79%, 50%, 0%, 45.9%)
CIE-LAB	lab(30.28, 12.27, -42.48)
CIE-LCH	lch(30.28, 44.22, 286.11°)
OKLab	oklab(40.3% -0.0204 -0.1221)
OKLCH	oklch(40.3% 0.124 260.5)
XYZ	xyz(7.2206, 6.3516, 24.8853)
Luminance	0.0635 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D458A #8A621D

analogous

#1D7B8A #1D458A #2C1D8A

triadic

#1D458A #8A1D45 #458A1D

tetradic

#1D458A #8A1D7B #8A621D #1D8A2C

square

#1D458A #8A1D7B #8A621D #1D8A2C

split-complementary

#1D458A #8A2C1D #7B8A1D

monochromatic

#081225 #122C57 #1D458A #285EBD #497ED9

Accessibility & contrast

On white

9.25

#1D458A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#1D458A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D458A

9.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D458A	#FFFFFF	#000000	##FFFFFF
##1D458A	1.00	9.25	2.27	9.25
#FFFFFF	9.25	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D4D8D

Deuteranopia (green-blind)

#004389

Tritanopia (blue-blind)

#005561

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #1d458a;
/* rgb */ color: rgb(29, 69, 138);
/* oklch */ color: oklch(40.3% 0.124 260.5);

Tailwind

colors: {
  custom: {
    50: '#6a78ad',
    500: '#1d458a',
    950: '#000000',
  },
}

SCSS

$custom: #1d458a;
$custom-light: #6a78ad;
$custom-dark: #000000;

JSON

{
  "hex": "#1d458a",
  "rgb": {
    "r": 29,
    "g": 69,
    "b": 138
  },
  "hsl": {
    "h": 217.982,
    "s": 65.269,
    "l": 32.745
  },
  "oklch": {
    "l": 0.40298,
    "c": 0.12378,
    "h": 260.5
  },
  "luminance": 0.06352
}

Semantic roles & 50–950 ramp

primary

#1D458A

secondary

#BB9148

accent

#AA40E8

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070810

muted

#7A7B7F

Preview Lab

Preview with #1D458A

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

Preview Lab → · Contrast checker → · Palette generator →