#607BB1#607BB1

#607BB1 is a mid, moderate blue. Relative luminance 0.198; OKLCH L 58.5% C 0.089 H 263.5°. Best body text is #000000 at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#607BB1
RGB	rgb(96, 123, 177)
HSL	hsl(220, 34%, 54%)
HSV	hsv(220, 46%, 69%)
CMYK	cmyk(45.8%, 30.5%, 0%, 30.6%)
CIE-LAB	lab(51.64, 5.05, -31.65)
CIE-LCH	lch(51.64, 32.05, 279.06°)
OKLab	oklab(58.47% -0.0101 -0.0887)
OKLCH	oklch(58.47% 0.089 263.5)
XYZ	xyz(19.8401, 19.8258, 44.3678)
Luminance	0.1983 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#607BB1 #B19660

analogous

#60A3B1 #607BB1 #6D60B1

triadic

#607BB1 #B1607B #7BB160

tetradic

#607BB1 #B160A3 #B19660 #60B16D

square

#607BB1 #B160A3 #B19660 #60B16D

split-complementary

#607BB1 #B16D60 #A3B160

monochromatic

#324365 #465E8E #607BB1 #899DC5 #B2BFD9

Accessibility & contrast

On white

4.23

#607BB1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.97

#607BB1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #607BB1

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##607BB1	#FFFFFF	#000000	##000000
##607BB1	1.00	4.23	4.97	4.97
#FFFFFF	4.23	1.00	21.00	21.00
#000000	4.97	21.00	1.00	1.00
##000000	4.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#677FB3

Deuteranopia (green-blind)

#5F78B0

Tritanopia (blue-blind)

#41868E

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #607bb1;
/* rgb */ color: rgb(96, 123, 177);
/* oklch */ color: oklch(58.5% 0.089 263.5);

Tailwind

colors: {
  custom: {
    50: '#91a1c8',
    500: '#607bb1',
    950: '#000000',
  },
}

SCSS

$custom: #607bb1;
$custom-light: #91a1c8;
$custom-dark: #000000;

JSON

{
  "hex": "#607bb1",
  "rgb": {
    "r": 96,
    "g": 123,
    "b": 177
  },
  "hsl": {
    "h": 220,
    "s": 34.177,
    "l": 53.529
  },
  "oklch": {
    "l": 0.58466,
    "c": 0.08923,
    "h": 263.5
  },
  "luminance": 0.19827
}

Semantic roles & 50–950 ramp

primary

#607BB1

secondary

#C8BCA5

accent

#A65ECA

background

#F9F9FC

surface

#F1F2F8

border

#CBCCD1

text

#0D0E13

muted

#7E7E82

Preview Lab

Preview with #607BB1

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

Preview Lab → · Contrast checker → · Palette generator →