#6684CA
Closest named color: Faded Blue (#658CBB). oklch(62.1% 0.112 265.6), rgb(102, 132, 202).
Aa
Black text reads best on this color (5.71:1).
About this color
#6684CA is a medium-light, moderately saturated blue. In OKLCH its lightness is 62%, its chroma 0.112 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.036 away. Black text reads best on it, at 5.71:1.
| Hue family | Blues |
| Lightness | medium-light (62%) |
| Chroma | moderately saturated (0.112) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 5.71:1 |
| White text | 3.67:1 |
Values
| HEX | #6684CA |
| RGB | rgb(102, 132, 202) |
| HSL | hsl(222, 49%, 60%) |
| OKLCH | oklch(62.1% 0.112 265.6) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #6684CA | 3.67:1 | AA large text | Lc -69.7 | Content text, not long reading |
| Black text on #6684CA | 5.71:1 | AA | Lc 39.9 | Non-text elements, placeholder text |
| #6684CA text on white | 3.67:1 | AA large text | Lc 64.2 | Content text, not long reading |
| #6684CA text on black | 5.71:1 | AA | Lc -37.5 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.
-
Step 50
50
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E5EAF5
oklch(93.6% 0.016 266.3)
-
Step 200
200
#D0D9EE
oklch(88.5% 0.031 267.2)
-
Step 300
300
#B0C1E5
oklch(81% 0.054 265.2)
-
Step 400
400
#87A0D8
oklch(70.8% 0.087 265.7)
-
Step 500
500 (this color)
#6684CA
oklch(62.1% 0.112 265.6)
-
Step 600
600
#5170BA
oklch(55.6% 0.121 265.5)
-
Step 700
700
#425DA1
oklch(49.1% 0.114 266)
-
Step 800
800
#364C82
oklch(42.6% 0.094 265.8)
-
Step 900
900
#2F4068
oklch(37.7% 0.072 265.6)
-
Step 950
950
#1C263D
oklch(27.1% 0.045 265.6)
#6684CA with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #698ACD | 0.017 |
| Deuteranopia (no green cones) | #5E81C8 | 0.014 |
| Tritanopia (no blue cones) | #3B939E | 0.100 |
| Achromatopsia (no color) | #858585 | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6684CA
#6684CA
oklch(62.1% 0.112 265.6)
- #A58128
#A58128
oklch(62.2% 0.112 85.7)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #6684CA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.036
- Cool Blue #4984B8 ΔE 0.044
- Soft Blue #6488EA ΔE 0.048
- Off Blue #5684AE ΔE 0.049
- Dark Sky Blue #448EE4 ΔE 0.050
- Dusty Blue #5A86AD ΔE 0.050
- Steel Blue #4682B4 ΔE 0.051
- Water Blue #0E87CC ΔE 0.062
Use #6684CA in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.