#1D54A6#1D54A6

#1D54A6 is a mid, vivid blue. Relative luminance 0.094; OKLCH L 45.8% C 0.144 H 258.8°. Best body text is #FFFFFF at 7.31:1 contrast (WCAG AA passes).

Color values

HEX	#1D54A6
RGB	rgb(29, 84, 166)
HSL	hsl(216, 70%, 38%)
HSV	hsv(216, 83%, 65%)
CMYK	cmyk(82.5%, 49.4%, 0%, 34.9%)
CIE-LAB	lab(36.66, 13.38, -49.18)
CIE-LCH	lch(36.66, 50.96, 285.22°)
OKLab	oklab(45.81% -0.0281 -0.1415)
OKLCH	oklch(45.81% 0.144 258.8)
XYZ	xyz(10.5574, 9.3537, 37.3180)
Luminance	0.0935 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D54A6 #A66F1D

analogous

#1D98A6 #1D54A6 #2A1DA6

triadic

#1D54A6 #A61D54 #54A61D

tetradic

#1D54A6 #A61D98 #A66F1D #1DA62A

square

#1D54A6 #A61D98 #A66F1D #1DA62A

split-complementary

#1D54A6 #A62A1D #98A61D

monochromatic

#0B1F3E #143A72 #1D54A6 #276FD9 #5B91E2

Accessibility & contrast

On white

7.31

#1D54A6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#1D54A6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D54A6

7.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D54A6	#FFFFFF	#000000	##FFFFFF
##1D54A6	1.00	7.31	2.87	7.31
#FFFFFF	7.31	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#235DA9

Deuteranopia (green-blind)

#0050A4

Tritanopia (blue-blind)

#006875

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #1d54a6;
/* rgb */ color: rgb(29, 84, 166);
/* oklch */ color: oklch(45.8% 0.144 258.8);

Tailwind

colors: {
  custom: {
    50: '#7183c1',
    500: '#1d54a6',
    950: '#000000',
  },
}

SCSS

$custom: #1d54a6;
$custom-light: #7183c1;
$custom-dark: #000000;

JSON

{
  "hex": "#1d54a6",
  "rgb": {
    "r": 29,
    "g": 84,
    "b": 166
  },
  "hsl": {
    "h": 215.912,
    "s": 70.256,
    "l": 38.235
  },
  "oklch": {
    "l": 0.45812,
    "c": 0.14424,
    "h": 258.8
  },
  "luminance": 0.09355
}

Semantic roles & 50–950 ramp

primary

#1D54A6

secondary

#C69A59

accent

#A53BED

background

#F7F7FB

surface

#EDEEF7

border

#C8C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #1D54A6

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

Preview Lab → · Contrast checker → · Palette generator →