#657CBD#657CBD
#657CBD is a mid, moderate blue. Relative luminance 0.209; OKLCH L 59.6% C 0.103 H 268.4°. Best body text is #000000 at 5.17:1 contrast (WCAG AA passes).
Color values
| HEX | #657CBD |
|---|---|
| RGB | rgb(101, 124, 189) |
| HSL | hsl(224, 40%, 57%) |
| HSV | hsv(224, 47%, 74%) |
| CMYK | cmyk(46.6%, 34.4%, 0%, 25.9%) |
| CIE-LAB | lab(52.79, 9.35, -36.73) |
| CIE-LCH | lch(52.79, 37.90, 284.28°) |
| OKLab | oklab(59.62% -0.003 -0.1033) |
| OKLCH | oklch(59.62% 0.103 268.4) |
| XYZ | xyz(21.7569, 20.8548, 51.0132) |
| Luminance | 0.2086 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower Blue
#5170D7
ΔE00 5.72
Faded Blue
#658CBB
ΔE00 6.37
Off Blue
#5684AE
ΔE00 6.82
Soft Blue
#6488EA
ΔE00 6.96
Dusty Blue
#5A86AD
ΔE00 7.03
Slate Blue (survey)
#5B7C99
ΔE00 7.23
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#657CBD #BDA665
analogous
#65A8BD #657CBD #7A65BD
triadic
#657CBD #BD657C #7CBD65
tetradic
#657CBD #BD65A8 #BDA665 #65BD7A
square
#657CBD #BD65A8 #BDA665 #65BD7A
split-complementary
#657CBD #BD7A65 #A8BD65
monochromatic
#324475 #455DA0 #657CBD #90A0CF #BBC5E2
Accessibility & contrast
On white
4.06
#657CBD on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.17
#657CBD on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #657CBD
5.17:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##657CBD | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##657CBD | 1.00 | 4.06 | 5.17 | 5.17 |
| #FFFFFF | 4.06 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.17 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.17 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6482C0
Deuteranopia (green-blind)
#5B7ABC
Tritanopia (blue-blind)
#438A94
Achromatopsia (no color)
#7E7E7E
Design tokens & code
CSS
--color: #657cbd; /* rgb */ color: rgb(101, 124, 189); /* oklch */ color: oklch(59.6% 0.103 268.4);
Tailwind
colors: {
custom: {
50: '#95a1d1',
500: '#657cbd',
950: '#000000',
},
}SCSS
$custom: #657cbd; $custom-light: #95a1d1; $custom-dark: #000000;
JSON
{
"hex": "#657cbd",
"rgb": {
"r": 101,
"g": 124,
"b": 189
},
"hsl": {
"h": 224.318,
"s": 40,
"l": 56.863
},
"oklch": {
"l": 0.59625,
"c": 0.10332,
"h": 268.4
},
"luminance": 0.20856
}Semantic roles & 50–950 ramp
primary
#657CBD
secondary
#D1C7AD
accent
#B158D0
background
#F9F9FC
surface
#F2F2F9
border
#CCCCD2
text
#0E0F14
muted
#7E7E82