#688DD2
Closest named color: Faded Blue (#658CBB). oklch(64.5% 0.112 262.2), rgb(104, 141, 210).
Aa
Black text reads best on this color (6.32:1).
About this color
#688DD2 is a medium-light, moderately saturated blue. In OKLCH its lightness is 65%, its chroma 0.112 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.035 away. Black text reads best on it, at 6.32:1.
| Hue family | Blues |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.112) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 6.32:1 |
| White text | 3.31:1 |
Values
| HEX | #688DD2 |
| RGB | rgb(104, 141, 210) |
| HSL | hsl(219, 54%, 62%) |
| OKLCH | oklch(64.5% 0.112 262.2) |
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 #688DD2 | 3.31:1 | AA large text | Lc -65.9 | Content text, not long reading |
| Black text on #688DD2 | 6.32:1 | AA | Lc 43.6 | Non-text elements, placeholder text |
| #688DD2 text on white | 3.31:1 | AA large text | Lc 60.5 | Content text, not long reading |
| #688DD2 text on black | 6.32:1 | AA | Lc -41.2 | 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
#F3F6FB
oklch(97.2% 0.007 260.7)
-
Step 100
100
#E4EAF5
oklch(93.6% 0.016 262.8)
-
Step 200
200
#CEDAEE
oklch(88.5% 0.03 260.7)
-
Step 300
300
#AEC1E5
oklch(80.9% 0.055 263.2)
-
Step 400
400
#83A1D8
oklch(70.7% 0.088 262.2)
-
Step 500
500 (this color)
#688DD2
oklch(64.5% 0.112 262.2)
-
Step 600
600
#4B71BA
oklch(55.5% 0.122 262.3)
-
Step 700
700
#3C5FA0
oklch(49.2% 0.112 261.8)
-
Step 800
800
#324E82
oklch(42.8% 0.093 261.8)
-
Step 900
900
#2C4168
oklch(37.7% 0.072 262)
-
Step 950
950
#1A263D
oklch(27% 0.046 262.7)
#688DD2 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) | #7292D5 | 0.019 |
| Deuteranopia (no green cones) | #6689D1 | 0.011 |
| Tritanopia (no blue cones) | #379CA6 | 0.100 |
| Achromatopsia (no color) | #8D8D8D | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #688DD2
#688DD2
oklch(64.5% 0.112 262.2)
- #AF8632
#AF8632
oklch(64.4% 0.111 82)
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 #688DD2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.035
- Cornflower Blue #6495ED ΔE 0.041
- Soft Blue #6488EA ΔE 0.042
- Dark Sky Blue #448EE4 ΔE 0.042
- Chefchaouen Blue #4895EF ΔE 0.050
- Cool Blue #4984B8 ΔE 0.058
- Dusty Blue #5A86AD ΔE 0.060
- Perrywinkle #8F8CE7 ΔE 0.061
Use #688DD2 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.