#408BB9#408BB9

#408BB9 is a mid, moderate cyan. Relative luminance 0.231; OKLCH L 60.9% C 0.102 H 238.5°. Best body text is #000000 at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#408BB9
RGB	rgb(64, 139, 185)
HSL	hsl(203, 49%, 49%)
HSV	hsv(203, 65%, 73%)
CMYK	cmyk(65.4%, 24.9%, 0%, 27.5%)
CIE-LAB	lab(55.13, -8.70, -30.92)
CIE-LCH	lch(55.13, 32.12, 254.28°)
OKLab	oklab(60.92% -0.0531 -0.0869)
OKLCH	oklch(60.92% 0.102 238.5)
XYZ	xyz(20.1006, 23.0559, 49.2805)
Luminance	0.2306 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#408BB9 #B96E40

analogous

#40B9AB #408BB9 #404FB9

triadic

#408BB9 #B9408B #8BB940

tetradic

#408BB9 #AB40B9 #B96E40 #4FB940

square

#408BB9 #AB40B9 #B96E40 #4FB940

split-complementary

#408BB9 #B9404F #B9AB40

monochromatic

#21475E #30698C #408BB9 #6BA7CC #98C2DB

Accessibility & contrast

On white

3.74

#408BB9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.61

#408BB9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #408BB9

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##408BB9	#FFFFFF	#000000	##000000
##408BB9	1.00	3.74	5.61	5.61
#FFFFFF	3.74	1.00	21.00	21.00
#000000	5.61	21.00	1.00	1.00
##000000	5.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#768BBB

Deuteranopia (green-blind)

#657FB8

Tritanopia (blue-blind)

#00979B

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #408bb9;
/* rgb */ color: rgb(64, 139, 185);
/* oklch */ color: oklch(60.9% 0.102 238.5);

Tailwind

colors: {
  custom: {
    50: '#81acce',
    500: '#408bb9',
    950: '#000000',
  },
}

SCSS

$custom: #408bb9;
$custom-light: #81acce;
$custom-dark: #000000;

JSON

{
  "hex": "#408bb9",
  "rgb": {
    "r": 64,
    "g": 139,
    "b": 185
  },
  "hsl": {
    "h": 202.81,
    "s": 48.594,
    "l": 48.824
  },
  "oklch": {
    "l": 0.60917,
    "c": 0.10186,
    "h": 238.5
  },
  "luminance": 0.23058
}

Semantic roles & 50–950 ramp

primary

#408BB9

secondary

#C7A48E

accent

#8450D8

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #408BB9

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

Preview Lab → · Contrast checker → · Palette generator →