#2158B4#2158B4

#2158B4 is a mid, vivid blue. Relative luminance 0.106; OKLCH L 47.9% C 0.157 H 260.2°. Best body text is #FFFFFF at 6.73:1 contrast (WCAG AA passes).

Color values

HEX	#2158B4
RGB	rgb(33, 88, 180)
HSL	hsl(218, 69%, 42%)
HSV	hsv(218, 82%, 71%)
CMYK	cmyk(81.7%, 51.1%, 0%, 29.4%)
CIE-LAB	lab(38.89, 16.66, -53.85)
CIE-LCH	lch(38.89, 56.37, 287.19°)
OKLab	oklab(47.87% -0.0268 -0.1551)
OKLCH	oklch(47.87% 0.157 260.2)
XYZ	xyz(12.3521, 10.5966, 44.5655)
Luminance	0.1060 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2158B4 #B47D21

analogous

#21A2B4 #2158B4 #3421B4

triadic

#2158B4 #B42158 #58B421

tetradic

#2158B4 #B421A2 #B47D21 #21B434

square

#2158B4 #B421A2 #B47D21 #21B434

split-complementary

#2158B4 #B43421 #A2B421

monochromatic

#0E254D #183F80 #2158B4 #3875DA #6B99E4

Accessibility & contrast

On white

6.73

#2158B4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#2158B4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2158B4

6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2158B4	#FFFFFF	#000000	##FFFFFF
##2158B4	1.00	6.73	3.12	6.73
#FFFFFF	6.73	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C63B7

Deuteranopia (green-blind)

#0055B2

Tritanopia (blue-blind)

#006E7D

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #2158b4;
/* rgb */ color: rgb(33, 88, 180);
/* oklch */ color: oklch(47.9% 0.157 260.2);

Tailwind

colors: {
  custom: {
    50: '#7586cb',
    500: '#2158b4',
    950: '#000000',
  },
}

SCSS

$custom: #2158b4;
$custom-light: #7586cb;
$custom-dark: #000000;

JSON

{
  "hex": "#2158b4",
  "rgb": {
    "r": 33,
    "g": 88,
    "b": 180
  },
  "hsl": {
    "h": 217.551,
    "s": 69.014,
    "l": 41.765
  },
  "oklch": {
    "l": 0.47868,
    "c": 0.15739,
    "h": 260.2
  },
  "luminance": 0.10598
}

Semantic roles & 50–950 ramp

primary

#2158B4

secondary

#CAA567

accent

#AA3CEC

background

#F7F8FC

surface

#EEEFF9

border

#C9CAD2

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2158B4

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

Preview Lab → · Contrast checker → · Palette generator →