#838FCB
Closest named color: Faded Blue (#658CBB). oklch(66.4% 0.09 275), rgb(131, 143, 203).
Aa
Black text reads best on this color (6.75:1).
About this color
#838FCB is a medium-light, moderately saturated blue. In OKLCH its lightness is 66%, its chroma 0.090 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.047 away. Black text reads best on it, at 6.75:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.090) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 6.75:1 |
| White text | 3.10:1 |
Values
| HEX | #838FCB |
| RGB | rgb(131, 143, 203) |
| HSL | hsl(230, 41%, 65%) |
| OKLCH | oklch(66.4% 0.09 275) |
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 #838FCB | 3.10:1 | AA large text | Lc -63.4 | Content text, not long reading |
| Black text on #838FCB | 6.75:1 | AA | Lc 46.0 | Large or bold text, headings |
| #838FCB text on white | 3.10:1 | AA large text | Lc 58.0 | Large or bold text, headings |
| #838FCB text on black | 6.75:1 | AA | Lc -43.7 | 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
#E7E9F3
oklch(93.5% 0.014 277.1)
-
Step 200
200
#D4D8EA
oklch(88.5% 0.025 275.9)
-
Step 300
300
#B8BFDE
oklch(80.9% 0.044 275.3)
-
Step 400
400
#939ECD
oklch(70.8% 0.07 274.3)
-
Step 500
500 (this color)
#838FCB
oklch(66.4% 0.09 275)
-
Step 600
600
#636EAD
oklch(55.7% 0.099 275.2)
-
Step 700
700
#525C94
oklch(49.2% 0.09 274.9)
-
Step 800
800
#434B78
oklch(42.7% 0.075 275.1)
-
Step 900
900
#383F61
oklch(37.7% 0.059 274.4)
-
Step 950
950
#212539
oklch(27% 0.038 274.9)
#838FCB 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) | #7C95CE | 0.017 |
| Deuteranopia (no green cones) | #778FCA | 0.016 |
| Tritanopia (no blue cones) | #6E9BA4 | 0.082 |
| Achromatopsia (no color) | #929292 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #838FCB
#838FCB
oklch(66.4% 0.09 275)
- #A5934F
#A5934F
oklch(66.4% 0.091 94.9)
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 #838FCB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.047
- Perrywinkle #8F8CE7 ΔE 0.048
- Silver Lake Blue #778DA9 ΔE 0.055
- Cornflower Blue #6495ED ΔE 0.059
- Cool Gray #8D99AE ΔE 0.060
- Heather #A484AC ΔE 0.064
- Blue Grey #758DA3 ΔE 0.065
- Soft Blue #6488EA ΔE 0.066
Use #838FCB 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.