#345AB3#345AB3

#345AB3 is a mid, vivid blue. Relative luminance 0.113; OKLCH L 48.9% C 0.148 H 264.2°. Best body text is #FFFFFF at 6.44:1 contrast (WCAG AA passes).

Color values

HEX	#345AB3
RGB	rgb(52, 90, 179)
HSL	hsl(222, 55%, 45%)
HSV	hsv(222, 71%, 70%)
CMYK	cmyk(70.9%, 49.7%, 0%, 29.8%)
CIE-LAB	lab(40.07, 17.27, -51.32)
CIE-LCH	lch(40.07, 54.15, 288.60°)
OKLab	oklab(48.94% -0.0148 -0.1473)
OKLCH	oklch(48.94% 0.148 264.2)
XYZ	xyz(13.2062, 11.2957, 44.1234)
Luminance	0.1130 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#345AB3 #B38D34

analogous

#3499B3 #345AB3 #4D34B3

triadic

#345AB3 #B3345A #5AB334

tetradic

#345AB3 #B33499 #B38D34 #34B34D

square

#345AB3 #B33499 #B38D34 #34B34D

split-complementary

#345AB3 #B34D34 #99B334

monochromatic

#182A54 #264284 #345AB3 #567ACE #869FDC

Accessibility & contrast

On white

6.44

#345AB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#345AB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #345AB3

6.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##345AB3	#FFFFFF	#000000	##FFFFFF
##345AB3	1.00	6.44	3.26	6.44
#FFFFFF	6.44	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2765B6

Deuteranopia (green-blind)

#0059B1

Tritanopia (blue-blind)

#006F7E

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #345ab3;
/* rgb */ color: rgb(52, 90, 179);
/* oklch */ color: oklch(48.9% 0.148 264.2);

Tailwind

colors: {
  custom: {
    50: '#7b88ca',
    500: '#345ab3',
    950: '#000000',
  },
}

SCSS

$custom: #345ab3;
$custom-light: #7b88ca;
$custom-dark: #000000;

JSON

{
  "hex": "#345ab3",
  "rgb": {
    "r": 52,
    "g": 90,
    "b": 179
  },
  "hsl": {
    "h": 222.047,
    "s": 54.978,
    "l": 45.294
  },
  "oklch": {
    "l": 0.48941,
    "c": 0.14807,
    "h": 264.2
  },
  "luminance": 0.11297
}

Semantic roles & 50–950 ramp

primary

#345AB3

secondary

#C5B07D

accent

#B249DE

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #345AB3

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

Preview Lab → · Contrast checker → · Palette generator →