#1D457E#1D457E

#1D457E is a dark, moderate blue. Relative luminance 0.060; OKLCH L 39.4% C 0.106 H 257.7°. Best body text is #FFFFFF at 9.52:1 contrast (WCAG AA passes).

Color values

HEX	#1D457E
RGB	rgb(29, 69, 126)
HSL	hsl(215, 63%, 30%)
HSV	hsv(215, 77%, 49%)
CMYK	cmyk(77%, 45.2%, 0%, 50.6%)
CIE-LAB	lab(29.47, 7.41, -36.34)
CIE-LCH	lch(29.47, 37.09, 281.53°)
OKLab	oklab(39.41% -0.0226 -0.104)
OKLCH	oklch(39.41% 0.106 257.7)
XYZ	xyz(6.3993, 6.0231, 20.5599)
Luminance	0.0602 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D457E #7E561D

analogous

#1D757E #1D457E #261D7E

triadic

#1D457E #7E1D45 #457E1D

tetradic

#1D457E #7E1D75 #7E561D #1D7E26

square

#1D457E #7E1D75 #7E561D #1D7E26

split-complementary

#1D457E #7E261D #757E1D

monochromatic

#060F1B #122A4C #1D457E #2860B0 #427ED3

Accessibility & contrast

On white

9.52

#1D457E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#1D457E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D457E

9.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D457E	#FFFFFF	#000000	##FFFFFF
##1D457E	1.00	9.52	2.20	9.52
#FFFFFF	9.52	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#294A80

Deuteranopia (green-blind)

#16417D

Tritanopia (blue-blind)

#00525B

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #1d457e;
/* rgb */ color: rgb(29, 69, 126);
/* oklch */ color: oklch(39.4% 0.106 257.7);

Tailwind

colors: {
  custom: {
    50: '#6878a4',
    500: '#1d457e',
    950: '#000000',
  },
}

SCSS

$custom: #1d457e;
$custom-light: #6878a4;
$custom-dark: #000000;

JSON

{
  "hex": "#1d457e",
  "rgb": {
    "r": 29,
    "g": 69,
    "b": 126
  },
  "hsl": {
    "h": 215.258,
    "s": 62.581,
    "l": 30.392
  },
  "oklch": {
    "l": 0.39411,
    "c": 0.10646,
    "h": 257.7
  },
  "luminance": 0.06024
}

Semantic roles & 50–950 ramp

primary

#1D457E

secondary

#B18545

accent

#A242E6

background

#F6F7FA

surface

#EBEDF4

border

#C6C8CE

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #1D457E

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

Preview Lab → · Contrast checker → · Palette generator →