#678BAA
Closest named color: Silver Lake Blue (#778DA9). oklch(62.2% 0.062 245), rgb(103, 139, 170).
Aa
Black text reads best on this color (5.85:1).
About this color
#678BAA is a medium-light, muted blue. In OKLCH its lightness is 62%, its chroma 0.062 and its hue 245°. Its hue sits on the cool side of the wheel. The nearest named color is Silver Lake Blue (#778DA9), ΔE 0.021 away. Black text reads best on it, at 5.85:1.
| Hue family | Blues |
| Lightness | medium-light (62%) |
| Chroma | muted (0.062) |
| Temperature | cool |
| Nearest name | Silver Lake Blue (#778DA9) |
| Black text | 5.85:1 |
| White text | 3.58:1 |
Values
| HEX | #678BAA |
| RGB | rgb(103, 139, 170) |
| HSL | hsl(208, 28%, 54%) |
| OKLCH | oklch(62.2% 0.062 245) |
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 #678BAA | 3.58:1 | AA large text | Lc -68.9 | Content text, not long reading |
| Black text on #678BAA | 5.85:1 | AA | Lc 40.6 | Non-text elements, placeholder text |
| #678BAA text on white | 3.58:1 | AA large text | Lc 63.4 | Content text, not long reading |
| #678BAA text on black | 5.85:1 | AA | Lc -38.2 | 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E5EBEF
oklch(93.7% 0.008 236.6)
-
Step 200
200
#D0DBE4
oklch(88.6% 0.017 242.5)
-
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)
#678BAA
oklch(62.2% 0.062 245)
-
Step 600
600
#517898
oklch(55.7% 0.067 244.1)
-
Step 700
700
#416582
oklch(49.2% 0.062 243.8)
-
Step 800
800
#36526A
oklch(42.7% 0.052 245.3)
-
Step 900
900
#2F4456
oklch(37.7% 0.041 245)
-
Step 950
950
#1C2832
oklch(27% 0.025 244)
#678BAA 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) | #7E8BAC | 0.030 |
| Deuteranopia (no green cones) | #7684A9 | 0.025 |
| Tritanopia (no blue cones) | #4F9295 | 0.051 |
| Achromatopsia (no color) | #878787 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #678BAA
#678BAA
oklch(62.2% 0.062 245)
- #A17F5F
#A17F5F
oklch(62.1% 0.062 64.6)
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 #678BAA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Silver Lake Blue #778DA9 ΔE 0.021
- Blue Grey #758DA3 ΔE 0.022
- Dusty Blue #5A86AD ΔE 0.023
- Faded Blue #658CBB ΔE 0.026
- Light Slate Gray #778899 ΔE 0.030
- Off Blue #5684AE ΔE 0.031
- Steel #738595 ΔE 0.033
- Lavender Gray #7E7F9A ΔE 0.043
Use #678BAA 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.