#1858B3#1858B3

#1858B3 is a mid, vivid blue. Relative luminance 0.104; OKLCH L 47.6% C 0.158 H 258.5°. Best body text is #FFFFFF at 6.81:1 contrast (WCAG AA passes).

Color values

HEX	#1858B3
RGB	rgb(24, 88, 179)
HSL	hsl(215, 76%, 40%)
HSV	hsv(215, 87%, 70%)
CMYK	cmyk(86.6%, 50.8%, 0%, 29.8%)
CIE-LAB	lab(38.60, 15.50, -53.75)
CIE-LCH	lch(38.60, 55.94, 286.08°)
OKLab	oklab(47.56% -0.0316 -0.1549)
OKLCH	oklch(47.56% 0.158 258.5)
XYZ	xyz(12.0001, 10.4268, 44.0192)
Luminance	0.1043 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1858B3 #B37318

analogous

#18A6B3 #1858B3 #2618B3

triadic

#1858B3 #B31858 #58B318

tetradic

#1858B3 #B318A6 #B37318 #18B326

square

#1858B3 #B318A6 #B37318 #18B326

split-complementary

#1858B3 #B32618 #A6B318

monochromatic

#0A2347 #113D7D #1858B3 #2674E2 #5C96E9

Accessibility & contrast

On white

6.81

#1858B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#1858B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1858B3

6.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1858B3	#FFFFFF	#000000	##FFFFFF
##1858B3	1.00	6.81	3.09	6.81
#FFFFFF	6.81	1.00	21.00	1.00
#000000	3.09	21.00	1.00	21.00
##FFFFFF	6.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C62B6

Deuteranopia (green-blind)

#0054B1

Tritanopia (blue-blind)

#006E7D

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #1858b3;
/* rgb */ color: rgb(24, 88, 179);
/* oklch */ color: oklch(47.6% 0.158 258.5);

Tailwind

colors: {
  custom: {
    50: '#7386ca',
    500: '#1858b3',
    950: '#000000',
  },
}

SCSS

$custom: #1858b3;
$custom-light: #7386ca;
$custom-dark: #000000;

JSON

{
  "hex": "#1858b3",
  "rgb": {
    "r": 24,
    "g": 88,
    "b": 179
  },
  "hsl": {
    "h": 215.226,
    "s": 76.355,
    "l": 39.804
  },
  "oklch": {
    "l": 0.47556,
    "c": 0.15809,
    "h": 258.5
  },
  "luminance": 0.10428
}

Semantic roles & 50–950 ramp

primary

#1858B3

secondary

#CD9D5A

accent

#A435F3

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #1858B3

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

Preview Lab → · Contrast checker → · Palette generator →