#838CBB
Closest named color: Silver Lake Blue (#778DA9). oklch(65% 0.071 275.9), rgb(131, 140, 187).
Aa
Black text reads best on this color (6.43:1).
About this color
#838CBB is a medium-light, moderately saturated blue. In OKLCH its lightness is 65%, its chroma 0.071 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Silver Lake Blue (#778DA9), ΔE 0.034 away. Black text reads best on it, at 6.43:1.
| Hue family | Blues |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Silver Lake Blue (#778DA9) |
| Black text | 6.43:1 |
| White text | 3.26:1 |
Values
| HEX | #838CBB |
| RGB | rgb(131, 140, 187) |
| HSL | hsl(230, 29%, 62%) |
| OKLCH | oklch(65% 0.071 275.9) |
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 #838CBB | 3.26:1 | AA large text | Lc -65.4 | Content text, not long reading |
| Black text on #838CBB | 6.43:1 | AA | Lc 44.1 | Non-text elements, placeholder text |
| #838CBB text on white | 3.26:1 | AA large text | Lc 59.9 | Large or bold text, headings |
| #838CBB text on black | 6.43:1 | AA | Lc -41.8 | 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E8E9F1
oklch(93.6% 0.011 280.5)
-
Step 200
200
#D5D8E6
oklch(88.4% 0.019 276.3)
-
Step 300
300
#BABFD8
oklch(80.9% 0.036 276.6)
-
Step 400
400
#979EC4
oklch(70.7% 0.056 276.7)
-
Step 500
500 (this color)
#838CBB
oklch(65% 0.071 275.9)
-
Step 600
600
#676FA1
oklch(55.6% 0.078 276.6)
-
Step 700
700
#555D89
oklch(49% 0.071 275.6)
-
Step 800
800
#464C70
oklch(42.7% 0.06 276.3)
-
Step 900
900
#3B405A
oklch(37.8% 0.045 275.6)
-
Step 950
950
#222535
oklch(26.9% 0.03 276)
#838CBB 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) | #7E91BD | 0.014 |
| Deuteranopia (no green cones) | #7A8CBA | 0.012 |
| Tritanopia (no blue cones) | #74959C | 0.064 |
| Achromatopsia (no color) | #8E8E8E | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #838CBB
#838CBB
oklch(65% 0.071 275.9)
- #9C8F5C
#9C8F5C
oklch(64.9% 0.071 95.5)
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 #838CBB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Silver Lake Blue #778DA9 ΔE 0.034
- Faded Blue #658CBB ΔE 0.038
- Blue Grey #758DA3 ΔE 0.044
- Cool Gray #8D99AE ΔE 0.049
- Heather #A484AC ΔE 0.052
- Light Slate Gray #778899 ΔE 0.055
- Lavender Gray #7E7F9A ΔE 0.055
- Dusty Blue #5A86AD ΔE 0.060
Use #838CBB 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.