#437EBB#437EBB

#437EBB is a mid, moderate cyan. Relative luminance 0.197; OKLCH L 58.1% C 0.113 H 251.0°. Best body text is #000000 at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#437EBB
RGB	rgb(67, 126, 187)
HSL	hsl(211, 47%, 50%)
HSV	hsv(211, 64%, 73%)
CMYK	cmyk(64.2%, 32.6%, 0%, 26.7%)
CIE-LAB	lab(51.50, 0.09, -37.74)
CIE-LCH	lch(51.50, 37.74, 270.13°)
OKLab	oklab(58.11% -0.0367 -0.1067)
OKLCH	oklch(58.11% 0.113 251)
XYZ	xyz(18.7419, 19.7010, 49.8190)
Luminance	0.1970 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437EBB #BB8043

analogous

#43BABB #437EBB #4443BB

triadic

#437EBB #BB437E #7EBB43

tetradic

#437EBB #BB43BA #BB8043 #43BB44

square

#437EBB #BB43BA #BB8043 #43BB44

split-complementary

#437EBB #BB4443 #BABB43

monochromatic

#234161 #33608E #437EBB #709DCC #9DBCDC

Accessibility & contrast

On white

4.25

#437EBB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.94

#437EBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #437EBB

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437EBB	#FFFFFF	#000000	##000000
##437EBB	1.00	4.25	4.94	4.94
#FFFFFF	4.25	1.00	21.00	21.00
#000000	4.94	21.00	1.00	1.00
##000000	4.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6481BE

Deuteranopia (green-blind)

#5376BA

Tritanopia (blue-blind)

#008C94

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #437ebb;
/* rgb */ color: rgb(67, 126, 187);
/* oklch */ color: oklch(58.1% 0.113 251.0);

Tailwind

colors: {
  custom: {
    50: '#83a3cf',
    500: '#437ebb',
    950: '#000000',
  },
}

SCSS

$custom: #437ebb;
$custom-light: #83a3cf;
$custom-dark: #000000;

JSON

{
  "hex": "#437ebb",
  "rgb": {
    "r": 67,
    "g": 126,
    "b": 187
  },
  "hsl": {
    "h": 210.5,
    "s": 47.244,
    "l": 49.804
  },
  "oklch": {
    "l": 0.58113,
    "c": 0.11286,
    "h": 251
  },
  "luminance": 0.19703
}

Semantic roles & 50–950 ramp

primary

#437EBB

secondary

#C8AD92

accent

#9551D7

background

#F8FAFC

surface

#F0F3F9

border

#CBCDD2

text

#0C0F14

muted

#7D7F82

Preview Lab

Preview with #437EBB

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

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