#307E8B#307E8B

#307E8B is a mid, moderate teal. Relative luminance 0.174; OKLCH L 55.1% C 0.077 H 210.4°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#307E8B
RGB	rgb(48, 126, 139)
HSL	hsl(189, 49%, 37%)
HSV	hsv(189, 65%, 55%)
CMYK	cmyk(65.5%, 9.4%, 0%, 45.5%)
CIE-LAB	lab(48.78, -19.38, -14.09)
CIE-LCH	lch(48.78, 23.96, 216.02°)
OKLab	oklab(55.09% -0.0668 -0.0391)
OKLCH	oklch(55.09% 0.077 210.4)
XYZ	xyz(13.3380, 17.4127, 27.0792)
Luminance	0.1741 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307E8B #8B3D30

analogous

#308B6B #307E8B #30518B

triadic

#307E8B #8B307E #7E8B30

tetradic

#307E8B #6B308B #8B3D30 #518B30

square

#307E8B #6B308B #8B3D30 #518B30

split-complementary

#307E8B #8B3051 #8B6B30

monochromatic

#112C30 #20555E #307E8B #40A7B8 #6ABECC

Accessibility & contrast

On white

4.68

#307E8B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.48

#307E8B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #307E8B

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307E8B	#FFFFFF	#000000	##FFFFFF
##307E8B	1.00	4.68	4.48	4.68
#FFFFFF	4.68	1.00	21.00	1.00
#000000	4.48	21.00	1.00	21.00
##FFFFFF	4.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#737A8C

Deuteranopia (green-blind)

#66708B

Tritanopia (blue-blind)

#008482

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #307e8b;
/* rgb */ color: rgb(48, 126, 139);
/* oklch */ color: oklch(55.1% 0.077 210.4);

Tailwind

colors: {
  custom: {
    50: '#74a3ac',
    500: '#307e8b',
    950: '#000000',
  },
}

SCSS

$custom: #307e8b;
$custom-light: #74a3ac;
$custom-dark: #000000;

JSON

{
  "hex": "#307e8b",
  "rgb": {
    "r": 48,
    "g": 126,
    "b": 139
  },
  "hsl": {
    "h": 188.571,
    "s": 48.663,
    "l": 36.667
  },
  "oklch": {
    "l": 0.55087,
    "c": 0.07738,
    "h": 210.4
  },
  "luminance": 0.17414
}

Semantic roles & 50–950 ramp

primary

#307E8B

secondary

#B36F64

accent

#6350D8

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#090F10

muted

#7B7F7F

Preview Lab

Preview with #307E8B

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

Preview Lab → · Contrast checker → · Palette generator →