#838FBB
Closest named color: Silver Lake Blue (#778DA9). oklch(65.7% 0.067 272.6), rgb(131, 143, 187).
Aa
Black text reads best on this color (6.61:1).
About this color
#838FBB is a medium-light, muted blue. In OKLCH its lightness is 66%, its chroma 0.067 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Silver Lake Blue (#778DA9), ΔE 0.033 away. Black text reads best on it, at 6.61:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | muted (0.067) |
| Temperature | cool |
| Nearest name | Silver Lake Blue (#778DA9) |
| Black text | 6.61:1 |
| White text | 3.17:1 |
Values
| HEX | #838FBB |
| RGB | rgb(131, 143, 187) |
| HSL | hsl(227, 29%, 62%) |
| OKLCH | oklch(65.7% 0.067 272.6) |
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 #838FBB | 3.17:1 | AA large text | Lc -64.3 | Content text, not long reading |
| Black text on #838FBB | 6.61:1 | AA | Lc 45.2 | Large or bold text, headings |
| #838FBB text on white | 3.17:1 | AA large text | Lc 58.9 | Large or bold text, headings |
| #838FBB text on black | 6.61:1 | AA | Lc -42.8 | 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
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E7EAF0
oklch(93.6% 0.009 264.5)
-
Step 200
200
#D5D9E6
oklch(88.6% 0.018 272.3)
-
Step 300
300
#B9C0D7
oklch(81% 0.033 272.2)
-
Step 400
400
#959FC2
oklch(70.7% 0.052 272.5)
-
Step 500
500 (this color)
#838FBB
oklch(65.7% 0.067 272.6)
-
Step 600
600
#65719F
oklch(55.7% 0.073 272.6)
-
Step 700
700
#535E88
oklch(49% 0.069 272.4)
-
Step 800
800
#444D6E
oklch(42.7% 0.056 272.1)
-
Step 900
900
#3A4059
oklch(37.7% 0.044 273.7)
-
Step 950
950
#222634
oklch(27.1% 0.027 272.1)
#838FBB 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) | #8293BD | 0.011 |
| Deuteranopia (no green cones) | #7D8EBA | 0.009 |
| Tritanopia (no blue cones) | #74979E | 0.060 |
| Achromatopsia (no color) | #909090 | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #838FBB
#838FBB
oklch(65.7% 0.067 272.6)
- #9F9161
#9F9161
oklch(65.7% 0.068 93.8)
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 #838FBB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Silver Lake Blue #778DA9 ΔE 0.033
- Faded Blue #658CBB ΔE 0.040
- Cool Gray #8D99AE ΔE 0.042
- Blue Grey #758DA3 ΔE 0.042
- Heather #A484AC ΔE 0.054
- Light Slate Gray #778899 ΔE 0.055
- Greyblue #77A1B5 ΔE 0.055
- Bluey Grey #89A0B0 ΔE 0.057
Use #838FBB 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.