#4387BF#4387BF

#4387BF is a mid, moderate cyan. Relative luminance 0.223; OKLCH L 60.4% C 0.110 H 245.9°. Best body text is #000000 at 5.46:1 contrast (WCAG AA passes).

Color values

HEX	#4387BF
RGB	rgb(67, 135, 191)
HSL	hsl(207, 49%, 51%)
HSV	hsv(207, 65%, 75%)
CMYK	cmyk(64.9%, 29.3%, 0%, 25.1%)
CIE-LAB	lab(54.32, -3.86, -35.59)
CIE-LCH	lch(54.32, 35.80, 263.82°)
OKLab	oklab(60.4% -0.0449 -0.1004)
OKLCH	oklch(60.4% 0.11 245.9)
XYZ	xyz(20.3792, 22.2808, 52.5067)
Luminance	0.2228 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4387BF #BF7B43

analogous

#43BFB9 #4387BF #4349BF

triadic

#4387BF #BF4387 #87BF43

tetradic

#4387BF #B943BF #BF7B43 #49BF43

square

#4387BF #B943BF #BF7B43 #49BF43

split-complementary

#4387BF #BF4349 #BFB943

monochromatic

#224765 #326793 #4387BF #71A4CF #9EC1DE

Accessibility & contrast

On white

3.85

#4387BF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.46

#4387BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4387BF

5.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4387BF	#FFFFFF	#000000	##000000
##4387BF	1.00	3.85	5.46	5.46
#FFFFFF	3.85	1.00	21.00	21.00
#000000	5.46	21.00	1.00	1.00
##000000	5.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E89C1

Deuteranopia (green-blind)

#5D7DBE

Tritanopia (blue-blind)

#00949B

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #4387bf;
/* rgb */ color: rgb(67, 135, 191);
/* oklch */ color: oklch(60.4% 0.110 245.9);

Tailwind

colors: {
  custom: {
    50: '#83a9d2',
    500: '#4387bf',
    950: '#000000',
  },
}

SCSS

$custom: #4387bf;
$custom-light: #83a9d2;
$custom-dark: #000000;

JSON

{
  "hex": "#4387bf",
  "rgb": {
    "r": 67,
    "g": 135,
    "b": 191
  },
  "hsl": {
    "h": 207.097,
    "s": 49.206,
    "l": 50.588
  },
  "oklch": {
    "l": 0.60398,
    "c": 0.11001,
    "h": 245.9
  },
  "luminance": 0.22283
}

Semantic roles & 50–950 ramp

primary

#4387BF

secondary

#CAAC93

accent

#8D4FD9

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C0F14

muted

#7D7F82

Preview Lab

Preview with #4387BF

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

Preview Lab → · Contrast checker → · Palette generator →