#1856B4#1856B4

#1856B4 is a mid, vivid blue. Relative luminance 0.101; OKLCH L 47.2% C 0.162 H 259.3°. Best body text is #FFFFFF at 6.93:1 contrast (WCAG AA passes).

Color values

HEX	#1856B4
RGB	rgb(24, 86, 180)
HSL	hsl(216, 76%, 40%)
HSV	hsv(216, 87%, 71%)
CMYK	cmyk(86.7%, 52.2%, 0%, 29.4%)
CIE-LAB	lab(38.10, 17.23, -55.15)
CIE-LCH	lch(38.10, 57.78, 287.35°)
OKLab	oklab(47.2% -0.0301 -0.1591)
OKLCH	oklch(47.2% 0.162 259.3)
XYZ	xyz(11.9397, 10.1435, 44.4998)
Luminance	0.1014 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1856B4 #B47618

analogous

#18A4B4 #1856B4 #2818B4

triadic

#1856B4 #B41856 #56B418

tetradic

#1856B4 #B418A4 #B47618 #18B428

square

#1856B4 #B418A4 #B47618 #18B428

split-complementary

#1856B4 #B42818 #A4B418

monochromatic

#0A2248 #113C7E #1856B4 #2771E2 #5D95E9

Accessibility & contrast

On white

6.93

#1856B4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#1856B4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1856B4

6.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1856B4	#FFFFFF	#000000	##FFFFFF
##1856B4	1.00	6.93	3.03	6.93
#FFFFFF	6.93	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1261B7

Deuteranopia (green-blind)

#0053B2

Tritanopia (blue-blind)

#006D7C

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #1856b4;
/* rgb */ color: rgb(24, 86, 180);
/* oklch */ color: oklch(47.2% 0.162 259.3);

Tailwind

colors: {
  custom: {
    50: '#7384cb',
    500: '#1856b4',
    950: '#000000',
  },
}

SCSS

$custom: #1856b4;
$custom-light: #7384cb;
$custom-dark: #000000;

JSON

{
  "hex": "#1856b4",
  "rgb": {
    "r": 24,
    "g": 86,
    "b": 180
  },
  "hsl": {
    "h": 216.154,
    "s": 76.471,
    "l": 40
  },
  "oklch": {
    "l": 0.47197,
    "c": 0.16188,
    "h": 259.3
  },
  "luminance": 0.10145
}

Semantic roles & 50–950 ramp

primary

#1856B4

secondary

#CDA05B

accent

#A735F3

background

#F7F8FC

surface

#EEEFF9

border

#C9CAD2

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #1856B4

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

Preview Lab → · Contrast checker → · Palette generator →