#6686BF
Closest named color: Faded Blue (#658CBB). oklch(61.9% 0.094 261.5), rgb(102, 134, 191).
Aa
Black text reads best on this color (5.72:1).
About this color
#6686BF is a medium-dark, moderately saturated blue. In OKLCH its lightness is 62%, its chroma 0.094 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.019 away. Black text reads best on it, at 5.72:1.
| Hue family | Blues |
| Lightness | medium-dark (62%) |
| Chroma | moderately saturated (0.094) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 5.72:1 |
| White text | 3.66:1 |
Values
| HEX | #6686BF |
| RGB | rgb(102, 134, 191) |
| HSL | hsl(218, 41%, 57%) |
| OKLCH | oklch(61.9% 0.094 261.5) |
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 #6686BF | 3.66:1 | AA large text | Lc -69.7 | Content text, not long reading |
| Black text on #6686BF | 5.72:1 | AA | Lc 39.9 | Non-text elements, placeholder text |
| #6686BF text on white | 3.66:1 | AA large text | Lc 64.2 | Content text, not long reading |
| #6686BF text on black | 5.72:1 | 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
#F3F6FA
oklch(97.2% 0.006 255.5)
-
Step 100
100
#E5EAF3
oklch(93.6% 0.013 262.4)
-
Step 200
200
#D0DAEB
oklch(88.6% 0.026 261.1)
-
Step 300
300
#B0C1DF
oklch(80.8% 0.046 261.8)
-
Step 400
400
#87A1CF
oklch(70.6% 0.074 261.7)
-
Step 500
500 (this color)
#6686BF
oklch(61.9% 0.094 261.5)
-
Step 600
600
#5173AF
oklch(55.7% 0.102 261.2)
-
Step 700
700
#426097
oklch(49.2% 0.096 261.8)
-
Step 800
800
#364E7A
oklch(42.6% 0.079 261.8)
-
Step 900
900
#2F4162
oklch(37.6% 0.062 262)
-
Step 950
950
#1C263A
oklch(26.9% 0.04 263.6)
#6686BF 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) | #718AC1 | 0.019 |
| Deuteranopia (no green cones) | #6782BE | 0.011 |
| Tritanopia (no blue cones) | #43929A | 0.084 |
| Achromatopsia (no color) | #858585 | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6686BF
#6686BF
oklch(61.9% 0.094 261.5)
- #A3803E
#A3803E
oklch(62% 0.094 81.3)
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 #6686BF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.019
- Dusty Blue #5A86AD ΔE 0.033
- Off Blue #5684AE ΔE 0.033
- Cool Blue #4984B8 ΔE 0.035
- Steel Blue #4682B4 ΔE 0.042
- Silver Lake Blue #778DA9 ΔE 0.049
- Blue Grey #758DA3 ΔE 0.055
- Lavender Gray #7E7F9A ΔE 0.060
Use #6686BF 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.