#1D458F#1D458F

#1D458F is a dark, vivid blue. Relative luminance 0.065; OKLCH L 40.7% C 0.131 H 261.4°. Best body text is #FFFFFF at 9.13:1 contrast (WCAG AA passes).

Color values

HEX	#1D458F
RGB	rgb(29, 69, 143)
HSL	hsl(219, 66%, 34%)
HSV	hsv(219, 80%, 56%)
CMYK	cmyk(79.7%, 51.7%, 0%, 43.9%)
CIE-LAB	lab(30.64, 14.29, -44.98)
CIE-LCH	lch(30.64, 47.20, 287.62°)
OKLab	oklab(40.69% -0.0197 -0.1294)
OKLCH	oklch(40.69% 0.131 261.4)
XYZ	xyz(7.5910, 6.4997, 26.8358)
Luminance	0.0650 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D458F #8F671D

analogous

#1D7E8F #1D458F #2E1D8F

triadic

#1D458F #8F1D45 #458F1D

tetradic

#1D458F #8F1D7E #8F671D #1D8F2E

square

#1D458F #8F1D7E #8F671D #1D8F2E

split-complementary

#1D458F #8F2E1D #7E8F1D

monochromatic

#081429 #132C5C #1D458F #275EC2 #4C7EDB

Accessibility & contrast

On white

9.13

#1D458F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#1D458F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D458F

9.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D458F	#FFFFFF	#000000	##FFFFFF
##1D458F	1.00	9.13	2.30	9.13
#FFFFFF	9.13	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#164E92

Deuteranopia (green-blind)

#00438E

Tritanopia (blue-blind)

#005763

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1d458f;
/* rgb */ color: rgb(29, 69, 143);
/* oklch */ color: oklch(40.7% 0.131 261.4);

Tailwind

colors: {
  custom: {
    50: '#6c78b0',
    500: '#1d458f',
    950: '#000000',
  },
}

SCSS

$custom: #1d458f;
$custom-light: #6c78b0;
$custom-dark: #000000;

JSON

{
  "hex": "#1d458f",
  "rgb": {
    "r": 29,
    "g": 69,
    "b": 143
  },
  "hsl": {
    "h": 218.947,
    "s": 66.279,
    "l": 33.725
  },
  "oklch": {
    "l": 0.40685,
    "c": 0.13093,
    "h": 261.4
  },
  "luminance": 0.06501
}

Semantic roles & 50–950 ramp

primary

#1D458F

secondary

#BD954B

accent

#AD3FE9

background

#F7F7FA

surface

#EDEDF5

border

#C8C8CF

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #1D458F

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

Preview Lab → · Contrast checker → · Palette generator →