#407BB3#407BB3

#407BB3 is a mid, moderate cyan. Relative luminance 0.185; OKLCH L 56.9% C 0.107 H 249.1°. Best body text is #000000 at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#407BB3
RGB	rgb(64, 123, 179)
HSL	hsl(209, 47%, 48%)
HSV	hsv(209, 64%, 70%)
CMYK	cmyk(64.2%, 31.3%, 0%, 29.8%)
CIE-LAB	lab(50.11, -1.42, -35.33)
CIE-LCH	lch(50.11, 35.35, 267.70°)
OKLab	oklab(56.86% -0.0381 -0.0998)
OKLCH	oklch(56.86% 0.107 249.1)
XYZ	xyz(17.3310, 18.5089, 45.2983)
Luminance	0.1851 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#407BB3 #B37840

analogous

#40B3B1 #407BB3 #4042B3

triadic

#407BB3 #B3407B #7BB340

tetradic

#407BB3 #B140B3 #B37840 #42B340

square

#407BB3 #B140B3 #B37840 #42B340

split-complementary

#407BB3 #B34042 #B3B140

monochromatic

#203D59 #305C86 #407BB3 #6799C9 #94B8D9

Accessibility & contrast

On white

4.47

#407BB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.70

#407BB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #407BB3

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##407BB3	#FFFFFF	#000000	##000000
##407BB3	1.00	4.47	4.70	4.70
#FFFFFF	4.47	1.00	21.00	21.00
#000000	4.70	21.00	1.00	1.00
##000000	4.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#637DB5

Deuteranopia (green-blind)

#5372B2

Tritanopia (blue-blind)

#00888F

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #407bb3;
/* rgb */ color: rgb(64, 123, 179);
/* oklch */ color: oklch(56.9% 0.107 249.1);

Tailwind

colors: {
  custom: {
    50: '#80a0ca',
    500: '#407bb3',
    950: '#000000',
  },
}

SCSS

$custom: #407bb3;
$custom-light: #80a0ca;
$custom-dark: #000000;

JSON

{
  "hex": "#407bb3",
  "rgb": {
    "r": 64,
    "g": 123,
    "b": 179
  },
  "hsl": {
    "h": 209.217,
    "s": 47.325,
    "l": 47.647
  },
  "oklch": {
    "l": 0.56861,
    "c": 0.10681,
    "h": 249.1
  },
  "luminance": 0.18511
}

Semantic roles & 50–950 ramp

primary

#407BB3

secondary

#C4A78A

accent

#9251D7

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #407BB3

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

Preview Lab → · Contrast checker → · Palette generator →