#3158B7#3158B7

#3158B7 is a mid, vivid blue. Relative luminance 0.111; OKLCH L 48.7% C 0.157 H 264.5°. Best body text is #FFFFFF at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#3158B7
RGB	rgb(49, 88, 183)
HSL	hsl(223, 58%, 45%)
HSV	hsv(223, 73%, 72%)
CMYK	cmyk(73.2%, 51.9%, 0%, 28.2%)
CIE-LAB	lab(39.66, 19.65, -54.34)
CIE-LCH	lch(39.66, 57.78, 289.88°)
OKLab	oklab(48.68% -0.0151 -0.1563)
OKLCH	oklch(48.68% 0.157 264.5)
XYZ	xyz(13.3006, 11.0499, 46.2224)
Luminance	0.1105 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3158B7 #B79031

analogous

#319BB7 #3158B7 #4D31B7

triadic

#3158B7 #B73158 #58B731

tetradic

#3158B7 #B7319B #B79031 #31B74D

square

#3158B7 #B7319B #B79031 #31B74D

split-complementary

#3158B7 #B74D31 #9BB731

monochromatic

#172A56 #244187 #3158B7 #5478D1 #849EDE

Accessibility & contrast

On white

6.54

#3158B7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#3158B7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3158B7

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3158B7	#FFFFFF	#000000	##FFFFFF
##3158B7	1.00	6.54	3.21	6.54
#FFFFFF	6.54	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A64BA

Deuteranopia (green-blind)

#0058B5

Tritanopia (blue-blind)

#006F7F

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3158b7;
/* rgb */ color: rgb(49, 88, 183);
/* oklch */ color: oklch(48.7% 0.157 264.5);

Tailwind

colors: {
  custom: {
    50: '#7b86cd',
    500: '#3158b7',
    950: '#000000',
  },
}

SCSS

$custom: #3158b7;
$custom-light: #7b86cd;
$custom-dark: #000000;

JSON

{
  "hex": "#3158b7",
  "rgb": {
    "r": 49,
    "g": 88,
    "b": 183
  },
  "hsl": {
    "h": 222.537,
    "s": 57.759,
    "l": 45.49
  },
  "oklch": {
    "l": 0.48681,
    "c": 0.15702,
    "h": 264.5
  },
  "luminance": 0.11051
}

Semantic roles & 50–950 ramp

primary

#3158B7

secondary

#C8B27C

accent

#B447E1

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #3158B7

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

Preview Lab → · Contrast checker → · Palette generator →