#437DBA#437DBA

#437DBA is a mid, moderate cyan. Relative luminance 0.194; OKLCH L 57.8% C 0.113 H 251.4°. Best body text is #000000 at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#437DBA
RGB	rgb(67, 125, 186)
HSL	hsl(211, 47%, 50%)
HSV	hsv(211, 64%, 73%)
CMYK	cmyk(64%, 32.8%, 0%, 27.1%)
CIE-LAB	lab(51.16, 0.34, -37.70)
CIE-LCH	lch(51.16, 37.70, 270.52°)
OKLab	oklab(57.83% -0.0359 -0.1066)
OKLCH	oklch(57.83% 0.113 251.4)
XYZ	xyz(18.5080, 19.4039, 49.2148)
Luminance	0.1941 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437DBA #BA8043

analogous

#43B9BA #437DBA #4443BA

triadic

#437DBA #BA437D #7DBA43

tetradic

#437DBA #BA43B9 #BA8043 #43BA44

square

#437DBA #BA43B9 #BA8043 #43BA44

split-complementary

#437DBA #BA4443 #B9BA43

monochromatic

#234160 #335F8D #437DBA #6F9CCB #9CBBDB

Accessibility & contrast

On white

4.30

#437DBA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.88

#437DBA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #437DBA

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437DBA	#FFFFFF	#000000	##000000
##437DBA	1.00	4.30	4.88	4.88
#FFFFFF	4.30	1.00	21.00	21.00
#000000	4.88	21.00	1.00	1.00
##000000	4.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6380BD

Deuteranopia (green-blind)

#5275B9

Tritanopia (blue-blind)

#008B93

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #437dba;
/* rgb */ color: rgb(67, 125, 186);
/* oklch */ color: oklch(57.8% 0.113 251.4);

Tailwind

colors: {
  custom: {
    50: '#82a2cf',
    500: '#437dba',
    950: '#000000',
  },
}

SCSS

$custom: #437dba;
$custom-light: #82a2cf;
$custom-dark: #000000;

JSON

{
  "hex": "#437dba",
  "rgb": {
    "r": 67,
    "g": 125,
    "b": 186
  },
  "hsl": {
    "h": 210.756,
    "s": 47.036,
    "l": 49.608
  },
  "oklch": {
    "l": 0.57829,
    "c": 0.11253,
    "h": 251.4
  },
  "luminance": 0.19406
}

Semantic roles & 50–950 ramp

primary

#437DBA

secondary

#C8AD91

accent

#9651D7

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0B0F14

muted

#7C7E82

Preview Lab

Preview with #437DBA

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

Preview Lab → · Contrast checker → · Palette generator →