#688BAA
Closest named color: Silver Lake Blue (#778DA9). oklch(62.2% 0.061 245.7), rgb(104, 139, 170).
Aa
Black text reads best on this color (5.86:1).
About this color
#688BAA is a medium-light, muted blue. In OKLCH its lightness is 62%, its chroma 0.061 and its hue 246°. Its hue sits on the cool side of the wheel. The nearest named color is Silver Lake Blue (#778DA9), ΔE 0.020 away. Black text reads best on it, at 5.86:1.
| Hue family | Blues |
| Lightness | medium-light (62%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | Silver Lake Blue (#778DA9) |
| Black text | 5.86:1 |
| White text | 3.58:1 |
Values
| HEX | #688BAA |
| RGB | rgb(104, 139, 170) |
| HSL | hsl(208, 28%, 54%) |
| OKLCH | oklch(62.2% 0.061 245.7) |
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 #688BAA | 3.58:1 | AA large text | Lc -68.9 | Content text, not long reading |
| Black text on #688BAA | 5.86:1 | AA | Lc 40.7 | Non-text elements, placeholder text |
| #688BAA text on white | 3.58:1 | AA large text | Lc 63.4 | Content text, not long reading |
| #688BAA text on black | 5.86:1 | AA | Lc -38.3 | 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E5EBEF
oklch(93.7% 0.008 236.6)
-
Step 200
200
#D1DAE4
oklch(88.4% 0.017 250.9)
-
Step 300
300
#B1C3D3
oklch(80.9% 0.03 245)
-
Step 400
400
#88A4BD
oklch(70.6% 0.048 245.5)
-
Step 500
500 (this color)
#688BAA
oklch(62.2% 0.061 245.7)
-
Step 600
600
#527798
oklch(55.5% 0.067 246.3)
-
Step 700
700
#426482
oklch(49% 0.062 246.1)
-
Step 800
800
#37526A
oklch(42.7% 0.052 246.2)
-
Step 900
900
#304456
oklch(37.8% 0.04 246.3)
-
Step 950
950
#1C2832
oklch(27% 0.025 244)
#688BAA 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) | #7F8BAC | 0.030 |
| Deuteranopia (no green cones) | #7684A9 | 0.025 |
| Tritanopia (no blue cones) | #519295 | 0.051 |
| Achromatopsia (no color) | #878787 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #688BAA
#688BAA
oklch(62.2% 0.061 245.7)
- #A1805F
#A1805F
oklch(62.3% 0.062 66.3)
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 #688BAA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Silver Lake Blue #778DA9 ΔE 0.020
- Blue Grey #758DA3 ΔE 0.021
- Dusty Blue #5A86AD ΔE 0.024
- Faded Blue #658CBB ΔE 0.026
- Light Slate Gray #778899 ΔE 0.029
- Off Blue #5684AE ΔE 0.032
- Steel #738595 ΔE 0.033
- Lavender Gray #7E7F9A ΔE 0.042
Use #688BAA 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.